117505115 has 16 divisors (see below), whose sum is σ = 173546688. Its totient is φ = 74376576.

The previous prime is 117505109. The next prime is 117505133. The reversal of 117505115 is 511505711.

It is a cyclic number.

It is not a de Polignac number, because 117505115 - 2⁶ = 117505051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128672 + ... + 129581.

It is an arithmetic number, because the mean of its divisors is an integer number (10846668).

Almost surely, 2^117505115 is an apocalyptic number.

117505115 is a deficient number, since it is larger than the sum of its proper divisors (56041573).

117505115 is a wasteful number, since it uses less digits than its factorization.

117505115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258278.

The product of its (nonzero) digits is 875, while the sum is 26.

The square root of 117505115 is about 10839.9776291282. The cubic root of 117505115 is about 489.8001614645.

The spelling of 117505115 in words is "one hundred seventeen million, five hundred five thousand, one hundred fifteen".