13224537525 has 12 divisors (see below), whose sum is σ = 21864568832. Its totient is φ = 7053086640.

The previous prime is 13224537523. The next prime is 13224537551. The reversal of 13224537525 is 52573542231.

It is not a de Polignac number, because 13224537525 - 2¹ = 13224537523 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 (13224537523) 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 11 ways as a sum of consecutive naturals, for example, 88163509 + ... + 88163658.

Almost surely, 2^13224537525 is an apocalyptic number.

13224537525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13224537525 is a deficient number, since it is larger than the sum of its proper divisors (8640031307).

13224537525 is a wasteful number, since it uses less digits than its factorization.

13224537525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176327180 (or 176327175 counting only the distinct ones).

The product of its digits is 252000, while the sum is 39.

The spelling of 13224537525 in words is "thirteen billion, two hundred twenty-four million, five hundred thirty-seven thousand, five hundred twenty-five".