What is a 56-digit number?

A 56-digit number is a number that has 56 digits where the first digit must be 1 or greater. On this page, we will answer three questions for you: What is the smallest 56-digit number? What is the largest 56-digit number? How many 56-digit numbers are there?

Smallest 56-digit number
The smallest 56-digit number is 1 followed by 55 zeros. This number is called ten septendecillion.

Largest 56-digit number
The largest 56-digit number is 9 followed by another 55 nines. This number is called ninety-nine septendecillion nine hundred ninety-nine sexdecillion nine hundred ninety-nine quindecillion nine hundred ninety-nine quattuordecillion nine hundred ninety-nine tredecillion nine hundred ninety-nine duodecillion nine hundred ninety-nine undecillion nine hundred ninety-nine decillion nine hundred ninety-nine nonillion nine hundred ninety-nine octillion nine hundred ninety-nine septillion nine hundred ninety-nine sextillion nine hundred ninety-nine quintillion nine hundred ninety-nine quadrillion nine hundred ninety-nine trillion nine hundred ninety-nine billion nine hundred ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine.

Total number of 56-digit numbers
There are a total of ninety septendecillion different 56-digit numbers. ninety septendecillion is 9 followed by 55 zeros.

Digit Numbers
Here you can learn about another digit number.

What is a 57-digit number?
Go here for information about the next digit number on our list that we have information about.