13521124342 has 32 divisors (see below), whose sum is σ = 22632837120. Its totient is φ = 6006480480.

The previous prime is 13521124321. The next prime is 13521124363. The reversal of 13521124342 is 24342112531.

It is an interprime number because it is at equal distance from previous prime (13521124321) and next prime (13521124363).

It is a self number, because there is not a number n which added to its sum of digits gives 13521124342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151084 + ... + 223312.

It is an arithmetic number, because the mean of its divisors is an integer number (707276160).

Almost surely, 2^13521124342 is an apocalyptic number.

13521124342 is a deficient number, since it is larger than the sum of its proper divisors (9111712778).

13521124342 is a wasteful number, since it uses less digits than its factorization.

13521124342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72436.

The product of its digits is 5760, while the sum is 28.

Adding to 13521124342 its reverse (24342112531), we get a palindrome (37863236873).

The spelling of 13521124342 in words is "thirteen billion, five hundred twenty-one million, one hundred twenty-four thousand, three hundred forty-two".