113864555 has 24 divisors (see below), whose sum is σ = 165897888. Its totient is φ = 73479168.

The previous prime is 113864551. The next prime is 113864567. The reversal of 113864555 is 555468311.

It is not a de Polignac number, because 113864555 - 2² = 113864551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113864551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4487 + ... + 15743.

It is an arithmetic number, because the mean of its divisors is an integer number (6912412).

Almost surely, 2^113864555 is an apocalyptic number.

113864555 is a deficient number, since it is larger than the sum of its proper divisors (52033333).

113864555 is a wasteful number, since it uses less digits than its factorization.

113864555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11303 (or 11286 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 113864555 is about 10670.7335736584. The cubic root of 113864555 is about 484.6886512706.

The spelling of 113864555 in words is "one hundred thirteen million, eight hundred sixty-four thousand, five hundred fifty-five".