113218555 has 16 divisors (see below), whose sum is σ = 144280224. Its totient is φ = 84994560.

The previous prime is 113218537. The next prime is 113218561. The reversal of 113218555 is 555812311.

It is not a de Polignac number, because 113218555 - 2¹¹ = 113216507 is a prime.

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, 29920 + ... + 33490.

It is an arithmetic number, because the mean of its divisors is an integer number (9017514).

Almost surely, 2^113218555 is an apocalyptic number.

113218555 is a deficient number, since it is larger than the sum of its proper divisors (31061669).

113218555 is a wasteful number, since it uses less digits than its factorization.

113218555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its digits is 6000, while the sum is 31.

The square root of 113218555 is about 10640.4208093477. The cubic root of 113218555 is about 483.7703003008.

The spelling of 113218555 in words is "one hundred thirteen million, two hundred eighteen thousand, five hundred fifty-five".