13511445223 has 4 divisors (see below), whose sum is σ = 13637720520. Its totient is φ = 13385169928.

The previous prime is 13511445203. The next prime is 13511445229. The reversal of 13511445223 is 32254411531.

13511445223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13511445223 - 2⁵ = 13511445191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13511445229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63137488 + ... + 63137701.

It is an arithmetic number, because the mean of its divisors is an integer number (3409430130).

Almost surely, 2^13511445223 is an apocalyptic number.

13511445223 is a deficient number, since it is larger than the sum of its proper divisors (126275297).

13511445223 is a wasteful number, since it uses less digits than its factorization.

13511445223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126275296.

The product of its digits is 14400, while the sum is 31.

Adding to 13511445223 its reverse (32254411531), we get a palindrome (45765856754).

The spelling of 13511445223 in words is "thirteen billion, five hundred eleven million, four hundred forty-five thousand, two hundred twenty-three".