18080023955 has 16 divisors (see below), whose sum is σ = 24800231424. Its totient is φ = 12395345760.

The previous prime is 18080023937. The next prime is 18080023963. The reversal of 18080023955 is 55932008081.

It is not a de Polignac number, because 18080023955 - 2⁶ = 18080023891 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 15 ways as a sum of consecutive naturals, for example, 145670 + ... + 239540.

It is an arithmetic number, because the mean of its divisors is an integer number (1550014464).

Almost surely, 2^18080023955 is an apocalyptic number.

18080023955 is a deficient number, since it is larger than the sum of its proper divisors (6720207469).

18080023955 is an equidigital number, since it uses as much as digits as its factorization.

18080023955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99386.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 18080023955 in words is "eighteen billion, eighty million, twenty-three thousand, nine hundred fifty-five".