52178586818336 has 96 divisors (see below), whose sum is σ = 113067773634816. Its totient is φ = 23505431040000.

The previous prime is 52178586818297. The next prime is 52178586818353. The reversal of 52178586818336 is 63381868587125.

It is a self number, because there is not a number n which added to its sum of digits gives 52178586818336.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 465362921 + ... + 465475031.

It is an arithmetic number, because the mean of its divisors is an integer number (1177789308696).

Almost surely, 2^{52178586818336} 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 52178586818336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56533886817408).

52178586818336 is an abundant number, since it is smaller than the sum of its proper divisors (60889186816480).

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

52178586818336 is a wasteful number, since it uses less digits than its factorization.

52178586818336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123946 (or 123938 counting only the distinct ones).

The product of its digits is 464486400, while the sum is 71.

The spelling of 52178586818336 in words is "fifty-two trillion, one hundred seventy-eight billion, five hundred eighty-six million, eight hundred eighteen thousand, three hundred thirty-six".