13359661056 has 405 divisors, whose sum is σ = 45962696871. Its totient is φ = 3728277504.

The previous prime is 13359661037. The next prime is 13359661061. The reversal of 13359661056 is 65016695331.

The square root of 13359661056 is 115584.

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

13359661056 is a `hidden beast` number, since 1 + 3 + 3 + 596 + 6 + 1 + 0 + 56 = 666.

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, 310689771 + ... + 310689813.

Almost surely, 2^13359661056 is an apocalyptic number.

13359661056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13359661056 is the 115584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13359661056

13359661056 is an abundant number, since it is smaller than the sum of its proper divisors (32603035815).

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

13359661056 is an frugal number, since it uses more digits than its factorization.

13359661056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 55 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 13359661056 in words is "thirteen billion, three hundred fifty-nine million, six hundred sixty-one thousand, fifty-six".