18056585054 has 16 divisors (see below), whose sum is σ = 28750364208. Its totient is φ = 8475806592.

The previous prime is 18056585021. The next prime is 18056585059. The reversal of 18056585054 is 45058565081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18056585059) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 655364 + ... + 682359.

It is an arithmetic number, because the mean of its divisors is an integer number (1796897763).

Almost surely, 2^18056585054 is an apocalyptic number.

18056585054 is a deficient number, since it is larger than the sum of its proper divisors (10693779154).

18056585054 is a wasteful number, since it uses less digits than its factorization.

18056585054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338139.

The product of its (nonzero) digits is 960000, while the sum is 47.

The spelling of 18056585054 in words is "eighteen billion, fifty-six million, five hundred eighty-five thousand, fifty-four".