15717828712 has 16 divisors (see below), whose sum is σ = 29502063360. Its totient is φ = 7850611824.

The previous prime is 15717828631. The next prime is 15717828719. The reversal of 15717828712 is 21782871751.

It is not an unprimeable number, because it can be changed into a prime (15717828719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1029768 + ... + 1044919.

It is an arithmetic number, because the mean of its divisors is an integer number (1843878960).

Almost surely, 2^15717828712 is an apocalyptic number.

It is an amenable number.

15717828712 is a deficient number, since it is larger than the sum of its proper divisors (13784234648).

15717828712 is a wasteful number, since it uses less digits than its factorization.

15717828712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075640 (or 2075636 counting only the distinct ones).

The product of its digits is 439040, while the sum is 49.

The spelling of 15717828712 in words is "fifteen billion, seven hundred seventeen million, eight hundred twenty-eight thousand, seven hundred twelve".