113388011 has 24 divisors (see below), whose sum is σ = 133106400. Its totient is φ = 96180480.

The previous prime is 113387983. The next prime is 113388019. The reversal of 113388011 is 110883311.

It is a de Polignac number, because none of the positive numbers 2^k-113388011 is a prime.

It is a super-2 number, since 2×113388011² = 25713682077072242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113388019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409205 + ... + 409481.

It is an arithmetic number, because the mean of its divisors is an integer number (5546100).

Almost surely, 2^113388011 is an apocalyptic number.

113388011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113388011 is a deficient number, since it is larger than the sum of its proper divisors (19718389).

113388011 is a wasteful number, since it uses less digits than its factorization.

113388011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 113388011 is about 10648.3806750135. The cubic root of 113388011 is about 484.0115355377.

The spelling of 113388011 in words is "one hundred thirteen million, three hundred eighty-eight thousand, eleven".