12750503664 has 80 divisors (see below), whose sum is σ = 33670130688. Its totient is φ = 4155968256.

The previous prime is 12750503651. The next prime is 12750503669. The reversal of 12750503664 is 46630505721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12750503669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3623634 + ... + 3627150.

Almost surely, 2^12750503664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12750503664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16835065344).

12750503664 is an abundant number, since it is smaller than the sum of its proper divisors (20919627024).

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

12750503664 is a wasteful number, since it uses less digits than its factorization.

12750503664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5182 (or 5176 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 12750503664 in words is "twelve billion, seven hundred fifty million, five hundred three thousand, six hundred sixty-four".