113355578889 has 18 divisors (see below), whose sum is σ = 190468218330. Its totient is φ = 64774616256.

The previous prime is 113355578863. The next prime is 113355578891. The reversal of 113355578889 is 988875553311.

113355578889 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 55 + 578 + 8 + 8 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 86683136400 + 26672442489 = 294420^2 + 163317^2 .

It is not a de Polignac number, because 113355578889 - 2¹² = 113355574793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (113355578849) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 128520624 + ... + 128521505.

It is an arithmetic number, because the mean of its divisors is an integer number (10581567685).

Almost surely, 2^113355578889 is an apocalyptic number.

It is an amenable number.

113355578889 is a deficient number, since it is larger than the sum of its proper divisors (77112639441).

113355578889 is a wasteful number, since it uses less digits than its factorization.

113355578889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257042149 (or 257042139 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 63.

The spelling of 113355578889 in words is "one hundred thirteen billion, three hundred fifty-five million, five hundred seventy-eight thousand, eight hundred eighty-nine".