5187621560256 has 84 divisors (see below), whose sum is σ = 15349038038464. Its totient is φ = 1673426304000.

The previous prime is 5187621560239. The next prime is 5187621560269. The reversal of 5187621560256 is 6520651267815.

5187621560256 is a `hidden beast` number, since 5 + 1 + 8 + 7 + 6 + 21 + 5 + 602 + 5 + 6 = 666.

It is a super-2 number, since 2×5187621560256² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 145244845 + ... + 145280556.

Almost surely, 2^{5187621560256} is an apocalyptic number.

It is an amenable number.

5187621560256 is an abundant number, since it is smaller than the sum of its proper divisors (10161416478208).

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

5187621560256 is a wasteful number, since it uses less digits than its factorization.

5187621560256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290525450 (or 290525437 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 54.

The spelling of 5187621560256 in words is "five trillion, one hundred eighty-seven billion, six hundred twenty-one million, five hundred sixty thousand, two hundred fifty-six".