56658428708112 has 480 divisors, whose sum is σ = 209456081452800. Its totient is φ = 13841809735680.

The previous prime is 56658428708093. The next prime is 56658428708117. The reversal of 56658428708112 is 21180782485665.

56658428708112 is a `hidden beast` number, since 5 + 6 + 6 + 58 + 428 + 70 + 81 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 56658428708112.

It is not an unprimeable number, because it can be changed into a prime (56658428708117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 292637514 + ... + 292831062.

It is an arithmetic number, because the mean of its divisors is an integer number (436366836360).

Almost surely, 2^{56658428708112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56658428708112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104728040726400).

56658428708112 is an abundant number, since it is smaller than the sum of its proper divisors (152797652744688).

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

56658428708112 is a wasteful number, since it uses less digits than its factorization.

56658428708112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195151 (or 195142 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 56658428708112 in words is "fifty-six trillion, six hundred fifty-eight billion, four hundred twenty-eight million, seven hundred eight thousand, one hundred twelve".