113558645889 has 24 divisors (see below), whose sum is σ = 177771949992. Its totient is φ = 69437122560.

The previous prime is 113558645869. The next prime is 113558645891. The reversal of 113558645889 is 988546855311.

113558645889 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 586 + 45 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1748661489 + 111809984400 = 41817^2 + 334380^2 .

It is not a de Polignac number, because 113558645889 - 2¹¹ = 113558643841 is a prime.

It is a super-2 number, since 2×113558645889² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113558645839) 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, 3072672 + ... + 3109409.

It is an arithmetic number, because the mean of its divisors is an integer number (7407164583).

Almost surely, 2^113558645889 is an apocalyptic number.

It is an amenable number.

113558645889 is a deficient number, since it is larger than the sum of its proper divisors (64213304103).

113558645889 is a wasteful number, since it uses less digits than its factorization.

113558645889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182257 (or 6182254 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 63.

The spelling of 113558645889 in words is "one hundred thirteen billion, five hundred fifty-eight million, six hundred forty-five thousand, eight hundred eighty-nine".