13531152052 has 12 divisors (see below), whose sum is σ = 25832199456. Its totient is φ = 6150523640.

The previous prime is 13531151999. The next prime is 13531152071. The reversal of 13531152052 is 25025113531.

It is a self number, because there is not a number n which added to its sum of digits gives 13531152052.

It is a congruent 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, 153763048 + ... + 153763135.

It is an arithmetic number, because the mean of its divisors is an integer number (2152683288).

Almost surely, 2^13531152052 is an apocalyptic number.

It is an amenable number.

13531152052 is a deficient number, since it is larger than the sum of its proper divisors (12301047404).

13531152052 is a wasteful number, since it uses less digits than its factorization.

13531152052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307526198 (or 307526196 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 13531152052 its reverse (25025113531), we get a palindrome (38556265583).

The spelling of 13531152052 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-two thousand, fifty-two".