13225511321 has 16 divisors (see below), whose sum is σ = 14686643328. Its totient is φ = 11808115200.

The previous prime is 13225511293. The next prime is 13225511347. The reversal of 13225511321 is 12311552231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13225511321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13225511381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436940 + ... + 466226.

It is an arithmetic number, because the mean of its divisors is an integer number (917915208).

Almost surely, 2^13225511321 is an apocalyptic number.

13225511321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13225511321 is a deficient number, since it is larger than the sum of its proper divisors (1461132007).

13225511321 is a wasteful number, since it uses less digits than its factorization.

13225511321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30032.

The product of its digits is 1800, while the sum is 26.

The spelling of 13225511321 in words is "thirteen billion, two hundred twenty-five million, five hundred eleven thousand, three hundred twenty-one".