18055359108 has 30 divisors (see below), whose sum is σ = 47200276046. Its totient is φ = 6018452928.

The previous prime is 18055359097. The next prime is 18055359149. The reversal of 18055359108 is 80195355081.

18055359108 is a `hidden beast` number, since 1 + 8 + 0 + 5 + 53 + 591 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9532007424 + 8523351684 = 97632^2 + 92322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27862885 + ... + 27863532.

Almost surely, 2^18055359108 is an apocalyptic number.

18055359108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18055359108 is an abundant number, since it is smaller than the sum of its proper divisors (29144916938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18055359108 is a wasteful number, since it uses less digits than its factorization.

18055359108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55726433 (or 55726422 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 18055359108 in words is "eighteen billion, fifty-five million, three hundred fifty-nine thousand, one hundred eight".