113109178473 has 48 divisors (see below), whose sum is σ = 169738666240. Its totient is φ = 72528244992.

The previous prime is 113109178459. The next prime is 113109178477. The reversal of 113109178473 is 374871901311.

113109178473 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 0 + 9 + 178 + 473 = 666.

It is not a de Polignac number, because 113109178473 - 2¹² = 113109174377 is a prime.

It is a super-2 number, since 2×113109178473² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113109178477) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20027136 + ... + 20032782.

Almost surely, 2^113109178473 is an apocalyptic number.

It is an amenable number.

113109178473 is a deficient number, since it is larger than the sum of its proper divisors (56629487767).

113109178473 is a wasteful number, since it uses less digits than its factorization.

113109178473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478 (or 6475 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 45.

The spelling of 113109178473 in words is "one hundred thirteen billion, one hundred nine million, one hundred seventy-eight thousand, four hundred seventy-three".