5251636520000 has 140 divisors (see below), whose sum is σ = 14024072544636. Its totient is φ = 1939065600000.

The previous prime is 5251636519993. The next prime is 5251636520047. The reversal of 5251636520000 is 256361525.

It can be written as a sum of positive squares in 10 ways, for example, as 4501763653696 + 749872866304 = 2121736^2 + 865952^2 .

It is a super-2 number, since 2×5251636520000² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4529651 + ... + 5569650.

Almost surely, 2^{5251636520000} is an apocalyptic number.

5251636520000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5251636520000 is an abundant number, since it is smaller than the sum of its proper divisors (8772436024636).

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

5251636520000 is a wasteful number, since it uses less digits than its factorization.

5251636520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10099346 (or 10099321 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 5251636520000 in words is "five trillion, two hundred fifty-one billion, six hundred thirty-six million, five hundred twenty thousand".