13072866535120 has 80 divisors (see below), whose sum is σ = 34836579566208. Its totient is φ = 4469208814080.

The previous prime is 13072866535111. The next prime is 13072866535139. The reversal of 13072866535120 is 2153566827031.

It is a happy number.

13072866535120 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 (80).

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, 33443151 + ... + 33831790.

Almost surely, 2^{13072866535120} is an apocalyptic number.

13072866535120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13072866535120 is an abundant number, since it is smaller than the sum of its proper divisors (21763713031088).

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

13072866535120 is a wasteful number, since it uses less digits than its factorization.

13072866535120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67275308 (or 67275302 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 13072866535120 in words is "thirteen trillion, seventy-two billion, eight hundred sixty-six million, five hundred thirty-five thousand, one hundred twenty".