18110535172 has 12 divisors (see below), whose sum is σ = 32715805696. Its totient is φ = 8763162120.

The previous prime is 18110535167. The next prime is 18110535187. The reversal of 18110535172 is 27153501181.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73026228 + ... + 73026475.

Almost surely, 2^18110535172 is an apocalyptic number.

It is an amenable number.

18110535172 is a deficient number, since it is larger than the sum of its proper divisors (14605270524).

18110535172 is a wasteful number, since it uses less digits than its factorization.

18110535172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146052738 (or 146052736 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 34.

The spelling of 18110535172 in words is "eighteen billion, one hundred ten million, five hundred thirty-five thousand, one hundred seventy-two".