117926994025 has 27 divisors (see below), whose sum is σ = 147451026351. Its totient is φ = 93560005440.

The previous prime is 117926993993. The next prime is 117926994037. The reversal of 117926994025 is 520499629711.

It is a happy number.

The square root of 117926994025 is 343405.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 8606829529 + 109320164496 = 92773^2 + 330636^2 .

It is not a de Polignac number, because 117926994025 - 2⁵ = 117926993993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 297045127 + ... + 297045523.

Almost surely, 2^117926994025 is an apocalyptic number.

117926994025 is the 343405-th square number.

117926994025 is the 171703-rd centered octagonal number.

It is an amenable number.

117926994025 is a deficient number, since it is larger than the sum of its proper divisors (29524032326).

117926994025 is an frugal number, since it uses more digits than its factorization.

117926994025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 117926994025 in words is "one hundred seventeen billion, nine hundred twenty-six million, nine hundred ninety-four thousand, twenty-five".