What number has 25 zeros?

What number has 25 zeros? To be more specific, we assume you are asking what is 1 followed by exactly 25 zeros like this:

10 000 000 000 000 000 000 000 000

The name of a 1 with 25 zeros is displayed below:

Ten Septillion

To put it in perspective, ten septillion has one more zero than one septillion and one less zero compared to one hundred septillion.

Numbers with Zeros
Now you know what number has 25 zeros. Submit another number of zeros here:

What number has 26 zeros?
Go here for information about the next number on our list that has many zeros.