18131070475 has 12 divisors (see below), whose sum is σ = 25694317264. Its totient is φ = 12432733920.

The previous prime is 18131070467. The next prime is 18131070491. The reversal of 18131070475 is 57407013181.

It is not a de Polignac number, because 18131070475 - 2³ = 18131070467 is a prime.

It is a hoax number, since the sum of its digits (37) 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 11 ways as a sum of consecutive naturals, for example, 51802884 + ... + 51803233.

Almost surely, 2^18131070475 is an apocalyptic number.

18131070475 is a deficient number, since it is larger than the sum of its proper divisors (7563246789).

18131070475 is a wasteful number, since it uses less digits than its factorization.

18131070475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103606134 (or 103606129 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 18131070475 in words is "eighteen billion, one hundred thirty-one million, seventy thousand, four hundred seventy-five".