52181258152104 has 48 divisors (see below), whose sum is σ = 141328684360500. Its totient is φ = 17393205821184.

The previous prime is 52181258151941. The next prime is 52181258152201. The reversal of 52181258152104 is 40125185218125.

52181258152104 is a `hidden beast` number, since 5 + 2 + 1 + 8 + 1 + 2 + 581 + 52 + 10 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47591371822500 + 4589886329604 = 6898650^2 + 2142402^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52181258152104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9084619 + ... + 13670874.

Almost surely, 2^{52181258152104} is an apocalyptic number.

It is an amenable number.

52181258152104 is an abundant number, since it is smaller than the sum of its proper divisors (89147426208396).

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

52181258152104 is a wasteful number, since it uses less digits than its factorization.

52181258152104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22787354 (or 22787347 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 45.

The spelling of 52181258152104 in words is "fifty-two trillion, one hundred eighty-one billion, two hundred fifty-eight million, one hundred fifty-two thousand, one hundred four".