56101166615628 has 24 divisors (see below), whose sum is σ = 145447469003760. Its totient is φ = 18700388871840.

The previous prime is 56101166615621. The next prime is 56101166615693. The reversal of 56101166615628 is 82651666110165.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (56101166615621) 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, 259727623113 + ... + 259727623328.

It is an arithmetic number, because the mean of its divisors is an integer number (6060311208490).

Almost surely, 2^{56101166615628} is an apocalyptic number.

It is an amenable number.

56101166615628 is an abundant number, since it is smaller than the sum of its proper divisors (89346302388132).

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

56101166615628 is a wasteful number, since it uses less digits than its factorization.

56101166615628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519455246454 (or 519455246446 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 56101166615628 in words is "fifty-six trillion, one hundred one billion, one hundred sixty-six million, six hundred fifteen thousand, six hundred twenty-eight".