18080615120 has 40 divisors (see below), whose sum is σ = 42047264160. Its totient is φ = 7230554240.

The previous prime is 18080615089. The next prime is 18080615129. The reversal of 18080615120 is 2151608081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×18080615120² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18080615129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351191 + ... + 399369.

It is an arithmetic number, because the mean of its divisors is an integer number (1051181604).

Almost surely, 2^18080615120 is an apocalyptic number.

18080615120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18080615120 is an abundant number, since it is smaller than the sum of its proper divisors (23966649040).

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

18080615120 is a wasteful number, since it uses less digits than its factorization.

18080615120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52883 (or 52877 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

It can be divided in two parts, 1808061 and 5120, that added together give a palindrome (1813181).

The spelling of 18080615120 in words is "eighteen billion, eighty million, six hundred fifteen thousand, one hundred twenty".