12855740528 has 20 divisors (see below), whose sum is σ = 25258816368. Its totient is φ = 6337336320.

The previous prime is 12855740519. The next prime is 12855740549. The reversal of 12855740528 is 82504755821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657201 + ... + 5659472.

Almost surely, 2^12855740528 is an apocalyptic number.

It is an amenable number.

12855740528 is a deficient number, since it is larger than the sum of its proper divisors (12403075840).

12855740528 is a wasteful number, since it uses less digits than its factorization.

12855740528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11316752 (or 11316746 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 12855740528 in words is "twelve billion, eight hundred fifty-five million, seven hundred forty thousand, five hundred twenty-eight".