18380252875 has 8 divisors (see below), whose sum is σ = 22938555744. Its totient is φ = 14704202200.

The previous prime is 18380252843. The next prime is 18380252887. The reversal of 18380252875 is 57825208381.

It is not a de Polignac number, because 18380252875 - 2⁵ = 18380252843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73520887 + ... + 73521136.

It is an arithmetic number, because the mean of its divisors is an integer number (2867319468).

Almost surely, 2^18380252875 is an apocalyptic number.

18380252875 is a deficient number, since it is larger than the sum of its proper divisors (4558302869).

18380252875 is an equidigital number, since it uses as much as digits as its factorization.

18380252875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147042038 (or 147042028 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 18380252875 in words is "eighteen billion, three hundred eighty million, two hundred fifty-two thousand, eight hundred seventy-five".