113388155 has 16 divisors (see below), whose sum is σ = 138698784. Its totient is φ = 88972800.

The previous prime is 113388151. The next prime is 113388161. The reversal of 113388155 is 551883311.

It is not a de Polignac number, because 113388155 - 2² = 113388151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113388151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56072 + ... + 58058.

It is an arithmetic number, because the mean of its divisors is an integer number (8668674).

Almost surely, 2^113388155 is an apocalyptic number.

113388155 is a deficient number, since it is larger than the sum of its proper divisors (25310629).

113388155 is a wasteful number, since it uses less digits than its factorization.

113388155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206.

The product of its digits is 14400, while the sum is 35.

The square root of 113388155 is about 10648.3874366028. The cubic root of 113388155 is about 484.0117404319.

The spelling of 113388155 in words is "one hundred thirteen million, three hundred eighty-eight thousand, one hundred fifty-five".