13881159768 has 64 divisors (see below), whose sum is σ = 39693265920. Its totient is φ = 3962764800.

The previous prime is 13881159751. The next prime is 13881159791. The reversal of 13881159768 is 86795118831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173248 + ... + 240368.

It is an arithmetic number, because the mean of its divisors is an integer number (620207280).

Almost surely, 2^13881159768 is an apocalyptic number.

It is an amenable number.

13881159768 is an abundant number, since it is smaller than the sum of its proper divisors (25812106152).

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

13881159768 is a wasteful number, since it uses less digits than its factorization.

13881159768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68368 (or 68364 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 57.

The spelling of 13881159768 in words is "thirteen billion, eight hundred eighty-one million, one hundred fifty-nine thousand, seven hundred sixty-eight".