13881372860 has 24 divisors (see below), whose sum is σ = 29163226176. Its totient is φ = 5550198080.

The previous prime is 13881372853. The next prime is 13881372871. The reversal of 13881372860 is 6827318831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98132 + ... + 193371.

It is an arithmetic number, because the mean of its divisors is an integer number (1215134424).

Almost surely, 2^13881372860 is an apocalyptic number.

13881372860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13881372860 is an abundant number, since it is smaller than the sum of its proper divisors (15281853316).

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

13881372860 is a wasteful number, since it uses less digits than its factorization.

13881372860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293893 (or 293891 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 13881372860 in words is "thirteen billion, eight hundred eighty-one million, three hundred seventy-two thousand, eight hundred sixty".