12716516725 has 24 divisors (see below), whose sum is σ = 17275894272. Its totient is φ = 9208636800.

The previous prime is 12716516711. The next prime is 12716516741. The reversal of 12716516725 is 52761561721.

It is not a de Polignac number, because 12716516725 - 2⁵ = 12716516693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35157 + ... + 163306.

It is an arithmetic number, because the mean of its divisors is an integer number (719828928).

Almost surely, 2^12716516725 is an apocalyptic number.

It is an amenable number.

12716516725 is a deficient number, since it is larger than the sum of its proper divisors (4559377547).

12716516725 is a wasteful number, since it uses less digits than its factorization.

12716516725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198717 (or 198712 counting only the distinct ones).

The product of its digits is 176400, while the sum is 43.

The spelling of 12716516725 in words is "twelve billion, seven hundred sixteen million, five hundred sixteen thousand, seven hundred twenty-five".