13500242252 has 36 divisors (see below), whose sum is σ = 27533097144. Its totient is φ = 5775194880.

The previous prime is 13500242237. The next prime is 13500242279. The reversal of 13500242252 is 25224200531.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44252 + ... + 170172.

It is an arithmetic number, because the mean of its divisors is an integer number (764808254).

Almost surely, 2^13500242252 is an apocalyptic number.

It is an amenable number.

13500242252 is an abundant number, since it is smaller than the sum of its proper divisors (14032854892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13500242252 is a wasteful number, since it uses less digits than its factorization.

13500242252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126486 (or 126477 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 13500242252 its reverse (25224200531), we get a palindrome (38724442783).

The spelling of 13500242252 in words is "thirteen billion, five hundred million, two hundred forty-two thousand, two hundred fifty-two".