115117599 has 32 divisors (see below), whose sum is σ = 169735680. Its totient is φ = 69075072.

The previous prime is 115117589. The next prime is 115117603. The reversal of 115117599 is 995711511.

It is not a de Polignac number, because 115117599 - 2⁵ = 115117567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115117529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362989 + ... + 363305.

It is an arithmetic number, because the mean of its divisors is an integer number (5304240).

Almost surely, 2^115117599 is an apocalyptic number.

115117599 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115117599 is a deficient number, since it is larger than the sum of its proper divisors (54618081).

115117599 is a wasteful number, since it uses less digits than its factorization.

115117599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its digits is 14175, while the sum is 39.

The square root of 115117599 is about 10729.2869753773. The cubic root of 115117599 is about 486.4601181945.

It can be divided in two parts, 11511 and 7599, that added together give a triangular number (19110 = T₁₉₅).

The spelling of 115117599 in words is "one hundred fifteen million, one hundred seventeen thousand, five hundred ninety-nine".