113911869 has 16 divisors (see below), whose sum is σ = 153538560. Its totient is φ = 75118320.

The previous prime is 113911843. The next prime is 113911873. The reversal of 113911869 is 968119311.

It is not a de Polignac number, because 113911869 - 2⁷ = 113911741 is a prime.

It is a super-2 number, since 2×113911869² = 25951827798146322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113911829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135352 + ... + 136190.

It is an arithmetic number, because the mean of its divisors is an integer number (9596160).

Almost surely, 2^113911869 is an apocalyptic number.

It is an amenable number.

113911869 is a deficient number, since it is larger than the sum of its proper divisors (39626691).

113911869 is a wasteful number, since it uses less digits than its factorization.

113911869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280.

The product of its digits is 11664, while the sum is 39.

The square root of 113911869 is about 10672.9503418689. The cubic root of 113911869 is about 484.7557760025.

The spelling of 113911869 in words is "one hundred thirteen million, nine hundred eleven thousand, eight hundred sixty-nine".