115275665 has 16 divisors (see below), whose sum is σ = 141586176. Its totient is φ = 90072000.

The previous prime is 115275653. The next prime is 115275697. The reversal of 115275665 is 566572511.

It is not a de Polignac number, because 115275665 - 2¹⁰ = 115274641 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, 44804 + ... + 47306.

It is an arithmetic number, because the mean of its divisors is an integer number (8849136).

Almost surely, 2^115275665 is an apocalyptic number.

It is an amenable number.

115275665 is a deficient number, since it is larger than the sum of its proper divisors (26310511).

115275665 is a wasteful number, since it uses less digits than its factorization.

115275665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 63000, while the sum is 38.

The square root of 115275665 is about 10736.6505484718. The cubic root of 115275665 is about 486.6826663804.

The spelling of 115275665 in words is "one hundred fifteen million, two hundred seventy-five thousand, six hundred sixty-five".