18055117305375 has 32 divisors (see below), whose sum is σ = 30211557292800. Its totient is φ = 9575600352800.

The previous prime is 18055117305367. The next prime is 18055117305439. The reversal of 18055117305375 is 57350371155081.

It is not a de Polignac number, because 18055117305375 - 2³ = 18055117305367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134421645 + ... + 134555894.

It is an arithmetic number, because the mean of its divisors is an integer number (944111165400).

Almost surely, 2^{18055117305375} is an apocalyptic number.

18055117305375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18055117305375 is a deficient number, since it is larger than the sum of its proper divisors (12156439987425).

18055117305375 is a wasteful number, since it uses less digits than its factorization.

18055117305375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268977736 (or 268977726 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 51.

The spelling of 18055117305375 in words is "eighteen trillion, fifty-five billion, one hundred seventeen million, three hundred five thousand, three hundred seventy-five".