113513811 has 16 divisors (see below), whose sum is σ = 161681184. Its totient is φ = 70590464.

The previous prime is 113513791. The next prime is 113513821. The reversal of 113513811 is 118315311.

It is a cyclic number.

It is not a de Polignac number, because 113513811 - 2⁶ = 113513747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113513821) 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, 4086 + ... + 15611.

It is an arithmetic number, because the mean of its divisors is an integer number (10105074).

Almost surely, 2^113513811 is an apocalyptic number.

113513811 is a deficient number, since it is larger than the sum of its proper divisors (48167373).

113513811 is a wasteful number, since it uses less digits than its factorization.

113513811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19830.

The product of its digits is 360, while the sum is 24.

The square root of 113513811 is about 10654.2860389610. The cubic root of 113513811 is about 484.1904672918.

The spelling of 113513811 in words is "one hundred thirteen million, five hundred thirteen thousand, eight hundred eleven".