12745533993088 has 64 divisors (see below), whose sum is σ = 27525776483520. Its totient is φ = 5843596723200.

The previous prime is 12745533993061. The next prime is 12745533993163. The reversal of 12745533993088 is 88039933554721.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25111570 + ... + 25614097.

It is an arithmetic number, because the mean of its divisors is an integer number (430090257555).

Almost surely, 2^{12745533993088} is an apocalyptic number.

It is an amenable number.

12745533993088 is an abundant number, since it is smaller than the sum of its proper divisors (14780242490432).

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

12745533993088 is a wasteful number, since it uses less digits than its factorization.

12745533993088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50725845 (or 50725833 counting only the distinct ones).

The product of its (nonzero) digits is 195955200, while the sum is 67.

The spelling of 12745533993088 in words is "twelve trillion, seven hundred forty-five billion, five hundred thirty-three million, nine hundred ninety-three thousand, eighty-eight".