13266224551 has 12 divisors (see below), whose sum is σ = 13952460600. Its totient is φ = 12598686240.

The previous prime is 13266224527. The next prime is 13266224561. The reversal of 13266224551 is 15542266231.

It is not a de Polignac number, because 13266224551 - 2⁷ = 13266224423 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 13266224551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266224501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46440 + ... + 169378.

It is an arithmetic number, because the mean of its divisors is an integer number (1162705050).

Almost surely, 2^13266224551 is an apocalyptic number.

13266224551 is a deficient number, since it is larger than the sum of its proper divisors (686236049).

13266224551 is an equidigital number, since it uses as much as digits as its factorization.

13266224551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123090 (or 123029 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The spelling of 13266224551 in words is "thirteen billion, two hundred sixty-six million, two hundred twenty-four thousand, five hundred fifty-one".