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A Octotrigintillion (1 Octotrigintillion) is 10 to the power of 117 (10^117). This is a very massive number!

How many zeros in a Octotrigintillion?

There are 117 zeros in a Octotrigintillion.

What's before Octotrigintillion?

A Septentrigintillion is smaller than a Octotrigintillion.

What's after Octotrigintillion?

A Noventrigintillion is larger than a Octotrigintillion.


A Octotrigintillionaire is someone whos assets, net worth or wealth is 1 or more Octotrigintillion. It is unlikely anyone will ever be a true Octotrigintillionaire. If you want to be a Octotrigintillionaire, play Tap Tales!

Is Octotrigintillion the largest number?

Octotrigintillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Octotrigintillion written out

Octotrigintillion is written out as:


Big Numbers

This is just one of many really big numbers!

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