13805885680 has 20 divisors (see below), whose sum is σ = 32098684392. Its totient is φ = 5522354240.

The previous prime is 13805885671. The next prime is 13805885707. The reversal of 13805885680 is 8658850831.

13805885680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 86286706 + ... + 86286865.

Almost surely, 2^13805885680 is an apocalyptic number.

13805885680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13805885680 is an abundant number, since it is smaller than the sum of its proper divisors (18292798712).

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

13805885680 is a wasteful number, since it uses less digits than its factorization.

13805885680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172573584 (or 172573578 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 52.

The spelling of 13805885680 in words is "thirteen billion, eight hundred five million, eight hundred eighty-five thousand, six hundred eighty".