72550881130 has 64 divisors (see below), whose sum is σ = 170182736640. Its totient is φ = 21610497024.

The previous prime is 72550881119. The next prime is 72550881149. The reversal of 72550881130 is 3118805527.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2329420 + ... + 2360359.

It is an arithmetic number, because the mean of its divisors is an integer number (2659105260).

Almost surely, 2^72550881130 is an apocalyptic number.

72550881130 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

72550881130 is an abundant number, since it is smaller than the sum of its proper divisors (97631855510).

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

72550881130 is a wasteful number, since it uses less digits than its factorization.

72550881130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689823.

The product of its (nonzero) digits is 67200, while the sum is 40.

The spelling of 72550881130 in words is "seventy-two billion, five hundred fifty million, eight hundred eighty-one thousand, one hundred thirty".