13001155252 has 12 divisors (see below), whose sum is σ = 22766017120. Its totient is φ = 6496578936.

The previous prime is 13001155207. The next prime is 13001155253. The reversal of 13001155252 is 25255110031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001155253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992352 + ... + 1005367.

Almost surely, 2^13001155252 is an apocalyptic number.

It is an amenable number.

13001155252 is a deficient number, since it is larger than the sum of its proper divisors (9764861868).

13001155252 is a wasteful number, since it uses less digits than its factorization.

13001155252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999350 (or 1999348 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 13001155252 its reverse (25255110031), we get a palindrome (38256265283).

The spelling of 13001155252 in words is "thirteen billion, one million, one hundred fifty-five thousand, two hundred fifty-two".