13039985477760 has 128 divisors (see below), whose sum is σ = 44009951097600. Its totient is φ = 3272780660736.

The previous prime is 13039985477737. The next prime is 13039985477773. The reversal of 13039985477760 is 6777458993031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

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, 199722040 + ... + 199787319.

It is an arithmetic number, because the mean of its divisors is an integer number (343827742950).

Almost surely, 2^{13039985477760} is an apocalyptic number.

13039985477760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13039985477760 is an abundant number, since it is smaller than the sum of its proper divisors (30969965619840).

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

13039985477760 is a wasteful number, since it uses less digits than its factorization.

13039985477760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399509398 (or 399509386 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 69.

The spelling of 13039985477760 in words is "thirteen trillion, thirty-nine billion, nine hundred eighty-five million, four hundred seventy-seven thousand, seven hundred sixty".