18110650055 has 4 divisors (see below), whose sum is σ = 21732780072. Its totient is φ = 14488520040.

The previous prime is 18110650039. The next prime is 18110650097. The reversal of 18110650055 is 55005601181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55005601181 = 11159 ⋅4929259.

It is not a de Polignac number, because 18110650055 - 2⁴ = 18110650039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1811065001 + ... + 1811065010.

It is an arithmetic number, because the mean of its divisors is an integer number (5433195018).

Almost surely, 2^18110650055 is an apocalyptic number.

18110650055 is a deficient number, since it is larger than the sum of its proper divisors (3622130017).

18110650055 is an equidigital number, since it uses as much as digits as its factorization.

18110650055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622130016.

The product of its (nonzero) digits is 6000, while the sum is 32.

The spelling of 18110650055 in words is "eighteen billion, one hundred ten million, six hundred fifty thousand, fifty-five".