13568522256 has 135 divisors (see below), whose sum is σ = 40408886973. Its totient is φ = 4249336320.

The previous prime is 13568522221. The next prime is 13568522267. The reversal of 13568522256 is 65222586531.

The square root of 13568522256 is 116484.

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

13568522256 is a `hidden beast` number, since 13 + 5 + 68 + 522 + 2 + 56 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10563728400 + 3004793856 = 102780^2 + 54816^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 23762451 + ... + 23763021.

Almost surely, 2^13568522256 is an apocalyptic number.

13568522256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13568522256 is the 116484-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13568522256

13568522256 is an abundant number, since it is smaller than the sum of its proper divisors (26840364717).

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

13568522256 is an equidigital number, since it uses as much as digits as its factorization.

13568522256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 593 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

It can be divided in two parts, 13568 and 522256, that added together give a square (535824 = 732²).

The spelling of 13568522256 in words is "thirteen billion, five hundred sixty-eight million, five hundred twenty-two thousand, two hundred fifty-six".