52165365512 has 16 divisors (see below), whose sum is σ = 105333911340. Its totient is φ = 24076322496.

The previous prime is 52165365509. The next prime is 52165365523. The reversal of 52165365512 is 21556356125.

It can be written as a sum of positive squares in 2 ways, for example, as 51941144836 + 224220676 = 227906^2 + 14974^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52165365512.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250794923 + ... + 250795130.

Almost surely, 2^52165365512 is an apocalyptic number.

52165365512 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52165365512 is an abundant number, since it is smaller than the sum of its proper divisors (53168545828).

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

52165365512 is a wasteful number, since it uses less digits than its factorization.

52165365512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501590072 (or 501590068 counting only the distinct ones).

The product of its digits is 270000, while the sum is 41.

The spelling of 52165365512 in words is "fifty-two billion, one hundred sixty-five million, three hundred sixty-five thousand, five hundred twelve".