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A Novemviginticentillion (1 Novemviginticentillion) is 10 to the power of 390 (10^390). This is a truly astronomical number!

How many zeros in a Novemviginticentillion?

There are 390 zeros in a Novemviginticentillion.

What's before Novemviginticentillion?

A Octoviginticentillion is smaller than a Novemviginticentillion.

What's after Novemviginticentillion?

A Trigintacentillion is larger than a Novemviginticentillion.


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

Is Novemviginticentillion the largest number?

Novemviginticentillion 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.

Novemviginticentillion written out

Novemviginticentillion is written out as:


Big Numbers

This is just one of many really big numbers!

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