18000011055 has 32 divisors (see below), whose sum is σ = 31129943040. Its totient is φ = 8828818560.

The previous prime is 18000011053. The next prime is 18000011069. The reversal of 18000011055 is 55011000081.

It is not a de Polignac number, because 18000011055 - 2¹ = 18000011053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18000011053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117465 + ... + 223154.

It is an arithmetic number, because the mean of its divisors is an integer number (972810720).

Almost surely, 2^18000011055 is an apocalyptic number.

18000011055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18000011055 is a deficient number, since it is larger than the sum of its proper divisors (13129931985).

18000011055 is a wasteful number, since it uses less digits than its factorization.

18000011055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340911.

The product of its (nonzero) digits is 200, while the sum is 21.

The spelling of 18000011055 in words is "eighteen billion, eleven thousand, fifty-five".