13225118464 has 18 divisors (see below), whose sum is σ = 26398576820. Its totient is φ = 6612559104.

The previous prime is 13225118441. The next prime is 13225118479. The reversal of 13225118464 is 46481152231.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25830054 + ... + 25830565.

Almost surely, 2^13225118464 is an apocalyptic number.

It is an amenable number.

13225118464 is a deficient number, since it is larger than the sum of its proper divisors (13173458356).

13225118464 is an frugal number, since it uses more digits than its factorization.

13225118464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51660635 (or 51660621 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The spelling of 13225118464 in words is "thirteen billion, two hundred twenty-five million, one hundred eighteen thousand, four hundred sixty-four".