56881189277216 has 96 divisors (see below), whose sum is σ = 124538111712000. Its totient is φ = 25461124319232.

The previous prime is 56881189277183. The next prime is 56881189277219. The reversal of 56881189277216 is 61277298118865.

It is a self number, because there is not a number n which added to its sum of digits gives 56881189277216.

It is not an unprimeable number, because it can be changed into a prime (56881189277219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33490661 + ... + 35148068.

It is an arithmetic number, because the mean of its divisors is an integer number (1297271997000).

Almost surely, 2^{56881189277216} is an apocalyptic number.

It is an amenable number.

56881189277216 is an abundant number, since it is smaller than the sum of its proper divisors (67656922434784).

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

56881189277216 is a wasteful number, since it uses less digits than its factorization.

56881189277216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68638834 (or 68638826 counting only the distinct ones).

The product of its digits is 162570240, while the sum is 71.

The spelling of 56881189277216 in words is "fifty-six trillion, eight hundred eighty-one billion, one hundred eighty-nine million, two hundred seventy-seven thousand, two hundred sixteen".