115637665 has 16 divisors (see below), whose sum is σ = 163025856. Its totient is φ = 77630400.

The previous prime is 115637653. The next prime is 115637729. The reversal of 115637665 is 566736511.

It is not a de Polignac number, because 115637665 - 2⁹ = 115637153 is a prime.

It is a Duffinian number.

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, 80151 + ... + 81580.

It is an arithmetic number, because the mean of its divisors is an integer number (10189116).

Almost surely, 2^115637665 is an apocalyptic number.

It is an amenable number.

115637665 is a deficient number, since it is larger than the sum of its proper divisors (47388191).

115637665 is a wasteful number, since it uses less digits than its factorization.

115637665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161760.

The product of its digits is 113400, while the sum is 40.

The square root of 115637665 is about 10753.4954782154. The cubic root of 115637665 is about 487.1915769932.

The spelling of 115637665 in words is "one hundred fifteen million, six hundred thirty-seven thousand, six hundred sixty-five".