18013275256 has 16 divisors (see below), whose sum is σ = 33819519240. Its totient is φ = 8994736800.

The previous prime is 18013275253. The next prime is 18013275341. The reversal of 18013275256 is 65257231081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18013275253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1481170 + ... + 1493281.

Almost surely, 2^18013275256 is an apocalyptic number.

It is an amenable number.

18013275256 is a deficient number, since it is larger than the sum of its proper divisors (15806243984).

18013275256 is a wasteful number, since it uses less digits than its factorization.

18013275256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975214 (or 2975210 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 18013275256 in words is "eighteen billion, thirteen million, two hundred seventy-five thousand, two hundred fifty-six".