13117863752 has 16 divisors (see below), whose sum is σ = 28109708160. Its totient is φ = 5621941584.

The previous prime is 13117863749. The next prime is 13117863779. The reversal of 13117863752 is 25736871131.

13117863752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117123728 + ... + 117123839.

It is an arithmetic number, because the mean of its divisors is an integer number (1756856760).

Almost surely, 2^13117863752 is an apocalyptic number.

It is an amenable number.

13117863752 is an abundant number, since it is smaller than the sum of its proper divisors (14991844408).

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

13117863752 is a wasteful number, since it uses less digits than its factorization.

13117863752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234247580 (or 234247576 counting only the distinct ones).

The product of its digits is 211680, while the sum is 44.

The spelling of 13117863752 in words is "thirteen billion, one hundred seventeen million, eight hundred sixty-three thousand, seven hundred fifty-two".