13371901320961 has 4 divisors (see below), whose sum is σ = 13371954548400. Its totient is φ = 13371848093524.

The previous prime is 13371901320959. The next prime is 13371901321003. The reversal of 13371901320961 is 16902310917331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13371901320961 - 2¹ = 13371901320959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13371901320461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26235091 + ... + 26739928.

It is an arithmetic number, because the mean of its divisors is an integer number (3342988637100).

Almost surely, 2^{13371901320961} is an apocalyptic number.

It is an amenable number.

13371901320961 is a deficient number, since it is larger than the sum of its proper divisors (53227439).

13371901320961 is an equidigital number, since it uses as much as digits as its factorization.

13371901320961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53227438.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 13371901320961 in words is "thirteen trillion, three hundred seventy-one billion, nine hundred one million, three hundred twenty thousand, nine hundred sixty-one".