18113014872 has 48 divisors (see below), whose sum is σ = 50196929640. Its totient is φ = 5897259648.

The previous prime is 18113014867. The next prime is 18113014903. The reversal of 18113014872 is 27841031181.

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

It is a congruent number.

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, 2922133 + ... + 2928324.

Almost surely, 2^18113014872 is an apocalyptic number.

18113014872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18113014872 is an abundant number, since it is smaller than the sum of its proper divisors (32083914768).

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

18113014872 is a wasteful number, since it uses less digits than its factorization.

18113014872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5850512 (or 5850505 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 18113014872 in words is "eighteen billion, one hundred thirteen million, fourteen thousand, eight hundred seventy-two".