113191015 has 32 divisors (see below), whose sum is σ = 165193344. Its totient is φ = 72683520.

The previous prime is 113190997. The next prime is 113191021. The reversal of 113191015 is 510191311.

It is not a de Polignac number, because 113191015 - 2⁵ = 113190983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166857 + ... + 167533.

It is an arithmetic number, because the mean of its divisors is an integer number (5162292).

Almost surely, 2^113191015 is an apocalyptic number.

113191015 is a deficient number, since it is larger than the sum of its proper divisors (52002329).

113191015 is a wasteful number, since it uses less digits than its factorization.

113191015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987.

The product of its (nonzero) digits is 135, while the sum is 22.

The square root of 113191015 is about 10639.1266088904. The cubic root of 113191015 is about 483.7310720003.

The spelling of 113191015 in words is "one hundred thirteen million, one hundred ninety-one thousand, fifteen".