551862688116520 has 48 divisors (see below), whose sum is σ = 1364833962151380. Its totient is φ = 200677341131520.

The previous prime is 551862688116491. The next prime is 551862688116533. The reversal of 551862688116520 is 25611886268155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 539463148511716 + 12399539604804 = 23226346^2 + 3521298^2 .

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, 57010603437 + ... + 57010613116.

Almost surely, 2^{551862688116520} is an apocalyptic number.

It is an amenable number.

551862688116520 is an abundant number, since it is smaller than the sum of its proper divisors (812971274034860).

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

551862688116520 is a wasteful number, since it uses less digits than its factorization.

551862688116520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114021216586 (or 114021216571 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 64.

The spelling of 551862688116520 in words is "five hundred fifty-one trillion, eight hundred sixty-two billion, six hundred eighty-eight million, one hundred sixteen thousand, five hundred twenty".