113103155556 has 36 divisors (see below), whose sum is σ = 288150833152. Its totient is φ = 37404191664.

The previous prime is 113103155507. The next prime is 113103155563. The reversal of 113103155556 is 655551301311.

113103155556 is a `hidden beast` number, since 1 + 13 + 10 + 31 + 55 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 113103155556.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12364540 + ... + 12373683.

Almost surely, 2^113103155556 is an apocalyptic number.

It is an amenable number.

113103155556 is an abundant number, since it is smaller than the sum of its proper divisors (175047677596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113103155556 is a wasteful number, since it uses less digits than its factorization.

113103155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24738360 (or 24738355 counting only the distinct ones).

The product of its (nonzero) digits is 33750, while the sum is 36.

Adding to 113103155556 its reverse (655551301311), we get a palindrome (768654456867).

The spelling of 113103155556 in words is "one hundred thirteen billion, one hundred three million, one hundred fifty-five thousand, five hundred fifty-six".