13268881560 has 128 divisors (see below), whose sum is σ = 44922988800. Its totient is φ = 3105768960.

The previous prime is 13268881541. The next prime is 13268881567. The reversal of 13268881560 is 6518886231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13268881567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135034 + ... + 211593.

It is an arithmetic number, because the mean of its divisors is an integer number (350960850).

Almost surely, 2^13268881560 is an apocalyptic number.

13268881560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13268881560 is an abundant number, since it is smaller than the sum of its proper divisors (31654107240).

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

13268881560 is a wasteful number, since it uses less digits than its factorization.

13268881560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346681 (or 346677 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 13268881560 in words is "thirteen billion, two hundred sixty-eight million, eight hundred eighty-one thousand, five hundred sixty".