12715607715 has 16 divisors (see below), whose sum is σ = 20777845248. Its totient is φ = 6637366496.

The previous prime is 12715607689. The next prime is 12715607741. The reversal of 12715607715 is 51770651721.

It is an interprime number because it is at equal distance from previous prime (12715607689) and next prime (12715607741).

It is a cyclic number.

It is not a de Polignac number, because 12715607715 - 2⁷ = 12715607587 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9017457 + ... + 9018866.

It is an arithmetic number, because the mean of its divisors is an integer number (1298615328).

Almost surely, 2^12715607715 is an apocalyptic number.

12715607715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12715607715 is a deficient number, since it is larger than the sum of its proper divisors (8062237533).

12715607715 is a wasteful number, since it uses less digits than its factorization.

12715607715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18036378.

The product of its (nonzero) digits is 102900, while the sum is 42.

The spelling of 12715607715 in words is "twelve billion, seven hundred fifteen million, six hundred seven thousand, seven hundred fifteen".