13265506665312 has 96 divisors (see below), whose sum is σ = 38006558674560. Its totient is φ = 4017842949120.

The previous prime is 13265506665293. The next prime is 13265506665353. The reversal of 13265506665312 is 21356660556231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1020637 + ... + 5250972.

It is an arithmetic number, because the mean of its divisors is an integer number (395901652860).

Almost surely, 2^{13265506665312} is an apocalyptic number.

13265506665312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13265506665312 is an abundant number, since it is smaller than the sum of its proper divisors (24741052009248).

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

13265506665312 is a wasteful number, since it uses less digits than its factorization.

13265506665312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6273636 (or 6273628 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 51.

The spelling of 13265506665312 in words is "thirteen trillion, two hundred sixty-five billion, five hundred six million, six hundred sixty-five thousand, three hundred twelve".