12865315482647 has 2 divisors, whose sum is σ = 12865315482648. Its totient is φ = 12865315482646.

The previous prime is 12865315482581. The next prime is 12865315482653. The reversal of 12865315482647 is 74628451356821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12865315482647 - 2⁸ = 12865315482391 is a prime.

It is a super-2 number, since 2×12865315482647² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12865315482647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12865315482667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6432657741323 + 6432657741324.

It is an arithmetic number, because the mean of its divisors is an integer number (6432657741324).

Almost surely, 2^{12865315482647} is an apocalyptic number.

12865315482647 is a deficient number, since it is larger than the sum of its proper divisors (1).

12865315482647 is an equidigital number, since it uses as much as digits as its factorization.

12865315482647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77414400, while the sum is 62.

The spelling of 12865315482647 in words is "twelve trillion, eight hundred sixty-five billion, three hundred fifteen million, four hundred eighty-two thousand, six hundred forty-seven".