117915265 has 16 divisors (see below), whose sum is σ = 152828928. Its totient is φ = 86821056.

The previous prime is 117915241. The next prime is 117915271. The reversal of 117915265 is 562519711.

It is a cyclic number.

It is not a de Polignac number, because 117915265 - 2⁵ = 117915233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21384 + ... + 26326.

It is an arithmetic number, because the mean of its divisors is an integer number (9551808).

Almost surely, 2^117915265 is an apocalyptic number.

It is an amenable number.

117915265 is a deficient number, since it is larger than the sum of its proper divisors (34913663).

117915265 is a wasteful number, since it uses less digits than its factorization.

117915265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5328.

The product of its digits is 18900, while the sum is 37.

The square root of 117915265 is about 10858.8795462515. The cubic root of 117915265 is about 490.3693799535.

The spelling of 117915265 in words is "one hundred seventeen million, nine hundred fifteen thousand, two hundred sixty-five".