What number has 15 zeros? To be more specific, we assume you are asking what is 1 followed by exactly 15 zeros like this:

1 000 000 000 000 000

The name of a 1 with 15 zeros is displayed below:

**One Quadrillion**

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

**Numbers with Zeros**

Now you know what number has 15 zeros. Submit another number of zeros here:

**What number has 16 zeros?**

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

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