15795457922500 has 135 divisors (see below), whose sum is σ = 34931273880657. Its totient is φ = 6247678200000.

The previous prime is 15795457922443. The next prime is 15795457922561. The reversal of 15795457922500 is 522975459751.

The square root of 15795457922500 is 3974350.

It is a perfect power (a square), and thus also a powerful number.

15795457922500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 3408831075204 + 12386626847296 = 1846302^2 + 3519464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 20070467107 + ... + 20070467893.

Almost surely, 2^{15795457922500} is an apocalyptic number.

15795457922500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15795457922500 is the 3974350-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15795457922500

15795457922500 is an abundant number, since it is smaller than the sum of its proper divisors (19135815958157).

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

15795457922500 is an frugal number, since it uses more digits than its factorization.

15795457922500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 39690000, while the sum is 61.

The spelling of 15795457922500 in words is "fifteen trillion, seven hundred ninety-five billion, four hundred fifty-seven million, nine hundred twenty-two thousand, five hundred".