13265366323056 has 80 divisors (see below), whose sum is σ = 34403699272320. Its totient is φ = 4404406247680.

The previous prime is 13265366323031. The next prime is 13265366323073. The reversal of 13265366323056 is 65032366356231.

It is a happy number.

It is a super-2 number, since 2×13265366323056² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26913355 + ... + 27401813.

It is an arithmetic number, because the mean of its divisors is an integer number (430046240904).

Almost surely, 2^{13265366323056} is an apocalyptic number.

13265366323056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13265366323056 is an abundant number, since it is smaller than the sum of its proper divisors (21138332949264).

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

13265366323056 is a wasteful number, since it uses less digits than its factorization.

13265366323056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490694 (or 490688 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 51.

The spelling of 13265366323056 in words is "thirteen trillion, two hundred sixty-five billion, three hundred sixty-six million, three hundred twenty-three thousand, fifty-six".