115612665 has 64 divisors (see below), whose sum is σ = 225607680. Its totient is φ = 49351680.

The previous prime is 115612657. The next prime is 115612723. The reversal of 115612665 is 566216511.

It is not a de Polignac number, because 115612665 - 2³ = 115612657 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 426480 + ... + 426750.

It is an arithmetic number, because the mean of its divisors is an integer number (3525120).

Almost surely, 2^115612665 is an apocalyptic number.

115612665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115612665 is a deficient number, since it is larger than the sum of its proper divisors (109995015).

115612665 is a wasteful number, since it uses less digits than its factorization.

115612665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542.

The product of its digits is 10800, while the sum is 33.

The square root of 115612665 is about 10752.3330026557. Note that the first 3 decimals coincide. The cubic root of 115612665 is about 487.1564654020.

The spelling of 115612665 in words is "one hundred fifteen million, six hundred twelve thousand, six hundred sixty-five".