13531225152 has 56 divisors (see below), whose sum is σ = 35809952256. Its totient is φ = 4509326848.

The previous prime is 13531225133. The next prime is 13531225181. The reversal of 13531225152 is 25152213531.

It is a super-2 number, since 2×13531225152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1432798 + ... + 1442210.

Almost surely, 2^13531225152 is an apocalyptic number.

13531225152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13531225152 is an abundant number, since it is smaller than the sum of its proper divisors (22278727104).

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

13531225152 is an equidigital number, since it uses as much as digits as its factorization.

13531225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16915 (or 16905 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

Adding to 13531225152 its reverse (25152213531), we get a palindrome (38683438683).

The spelling of 13531225152 in words is "thirteen billion, five hundred thirty-one million, two hundred twenty-five thousand, one hundred fifty-two".