18055861150 has 12 divisors (see below), whose sum is σ = 33583901832. Its totient is φ = 7222344440.

The previous prime is 18055861127. The next prime is 18055861183. The reversal of 18055861150 is 5116855081.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 180558562 + ... + 180558661.

It is an arithmetic number, because the mean of its divisors is an integer number (2798658486).

Almost surely, 2^18055861150 is an apocalyptic number.

18055861150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18055861150 is a deficient number, since it is larger than the sum of its proper divisors (15528040682).

18055861150 is a wasteful number, since it uses less digits than its factorization.

18055861150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361117235 (or 361117230 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 40.

The spelling of 18055861150 in words is "eighteen billion, fifty-five million, eight hundred sixty-one thousand, one hundred fifty".