72406188611180 has 12 divisors (see below), whose sum is σ = 152052996083520. Its totient is φ = 28962475444464.

The previous prime is 72406188611179. The next prime is 72406188611191. The reversal of 72406188611180 is 8111688160427.

It is a super-2 number, since 2×72406188611180² (a number of 29 digits) contains 22 as substring.

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, 1810154715260 + ... + 1810154715299.

It is an arithmetic number, because the mean of its divisors is an integer number (12671083006960).

Almost surely, 2^{72406188611180} is an apocalyptic number.

It is an amenable number.

72406188611180 is an abundant number, since it is smaller than the sum of its proper divisors (79646807472340).

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

72406188611180 is a wasteful number, since it uses less digits than its factorization.

72406188611180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620309430568 (or 3620309430566 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 53.

The spelling of 72406188611180 in words is "seventy-two trillion, four hundred six billion, one hundred eighty-eight million, six hundred eleven thousand, one hundred eighty".