13356239590121 has 4 divisors (see below), whose sum is σ = 13787086028544. Its totient is φ = 12925393151700.

The previous prime is 13356239590093. The next prime is 13356239590139. The reversal of 13356239590121 is 12109593265331.

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 13356239590121 - 2³⁸ = 13081361683177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13356239590121.

It is not an unprimeable number, because it can be changed into a prime (13356239590021) 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, 215423219165 + ... + 215423219226.

It is an arithmetic number, because the mean of its divisors is an integer number (3446771507136).

Almost surely, 2^{13356239590121} is an apocalyptic number.

It is an amenable number.

13356239590121 is a deficient number, since it is larger than the sum of its proper divisors (430846438423).

13356239590121 is an equidigital number, since it uses as much as digits as its factorization.

13356239590121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430846438422.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 13356239590121 in words is "thirteen trillion, three hundred fifty-six billion, two hundred thirty-nine million, five hundred ninety thousand, one hundred twenty-one".