18859180120 has 64 divisors (see below), whose sum is σ = 46455755040. Its totient is φ = 6833433600.

The previous prime is 18859180103. The next prime is 18859180157. The reversal of 18859180120 is 2108195881.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47374 + ... + 199906.

Almost surely, 2^18859180120 is an apocalyptic number.

18859180120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18859180120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23227877520).

18859180120 is an abundant number, since it is smaller than the sum of its proper divisors (27596574920).

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

18859180120 is a wasteful number, since it uses less digits than its factorization.

18859180120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152836 (or 152832 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 43.

The spelling of 18859180120 in words is "eighteen billion, eight hundred fifty-nine million, one hundred eighty thousand, one hundred twenty".