13225355543251 has 4 divisors (see below), whose sum is σ = 13225393687792. Its totient is φ = 13225317398712.

The previous prime is 13225355543249. The next prime is 13225355543261. The reversal of 13225355543251 is 15234555352231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13225355543251 - 2¹ = 13225355543249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13225355543221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18547380 + ... + 19247233.

It is an arithmetic number, because the mean of its divisors is an integer number (3306348421948).

Almost surely, 2^{13225355543251} is an apocalyptic number.

13225355543251 is a deficient number, since it is larger than the sum of its proper divisors (38144541).

13225355543251 is an equidigital number, since it uses as much as digits as its factorization.

13225355543251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38144540.

The product of its digits is 2700000, while the sum is 46.

The spelling of 13225355543251 in words is "thirteen trillion, two hundred twenty-five billion, three hundred fifty-five million, five hundred forty-three thousand, two hundred fifty-one".