115375665 has 16 divisors (see below), whose sum is σ = 188895168. Its totient is φ = 60102336.

The previous prime is 115375649. The next prime is 115375669. The reversal of 115375665 is 566573511.

It is not a de Polignac number, because 115375665 - 2⁴ = 115375649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115375669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88794 + ... + 90083.

It is an arithmetic number, because the mean of its divisors is an integer number (11805948).

Almost surely, 2^115375665 is an apocalyptic number.

115375665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115375665 is a deficient number, since it is larger than the sum of its proper divisors (73519503).

115375665 is a wasteful number, since it uses less digits than its factorization.

115375665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178928.

The product of its digits is 94500, while the sum is 39.

The square root of 115375665 is about 10741.3064847811. The cubic root of 115375665 is about 486.8233558035.

The spelling of 115375665 in words is "one hundred fifteen million, three hundred seventy-five thousand, six hundred sixty-five".