18995024055 has 16 divisors (see below), whose sum is σ = 34733758464. Its totient is φ = 8683439520.

The previous prime is 18995024039. The next prime is 18995024077. The reversal of 18995024055 is 55042059981.

It is not a de Polignac number, because 18995024055 - 2⁴ = 18995024039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18995023995 and 18995024013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90452391 + ... + 90452600.

It is an arithmetic number, because the mean of its divisors is an integer number (2170859904).

Almost surely, 2^18995024055 is an apocalyptic number.

18995024055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18995024055 is a deficient number, since it is larger than the sum of its proper divisors (15738734409).

18995024055 is a wasteful number, since it uses less digits than its factorization.

18995024055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180905006.

The product of its (nonzero) digits is 648000, while the sum is 48.

The spelling of 18995024055 in words is "eighteen billion, nine hundred ninety-five million, twenty-four thousand, fifty-five".