13521425224 has 16 divisors (see below), whose sum is σ = 25472830320. Its totient is φ = 6728670480.

The previous prime is 13521425213. The next prime is 13521425233. The reversal of 13521425224 is 42252412531.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4003474 + ... + 4006849.

It is an arithmetic number, because the mean of its divisors is an integer number (1592051895).

Almost surely, 2^13521425224 is an apocalyptic number.

It is an amenable number.

13521425224 is a deficient number, since it is larger than the sum of its proper divisors (11951405096).

13521425224 is a wasteful number, since it uses less digits than its factorization.

13521425224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8010540 (or 8010536 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

Adding to 13521425224 its reverse (42252412531), we get a palindrome (55773837755).

The spelling of 13521425224 in words is "thirteen billion, five hundred twenty-one million, four hundred twenty-five thousand, two hundred twenty-four".