113556665 has 8 divisors (see below), whose sum is σ = 136339200. Its totient is φ = 90797872.

The previous prime is 113556649. The next prime is 113556671. The reversal of 113556665 is 566655311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113556665 - 2⁴ = 113556649 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7262 + ... + 16728.

It is an arithmetic number, because the mean of its divisors is an integer number (17042400).

Almost surely, 2^113556665 is an apocalyptic number.

It is an amenable number.

113556665 is a deficient number, since it is larger than the sum of its proper divisors (22782535).

113556665 is an equidigital number, since it uses as much as digits as its factorization.

113556665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11871.

The product of its digits is 81000, while the sum is 38.

The square root of 113556665 is about 10656.2969647059. The cubic root of 113556665 is about 484.2513905325.

The spelling of 113556665 in words is "one hundred thirteen million, five hundred fifty-six thousand, six hundred sixty-five".