12560613529 has 2 divisors, whose sum is σ = 12560613530. Its totient is φ = 12560613528.

The previous prime is 12560613509. The next prime is 12560613547. The reversal of 12560613529 is 92531606521.

12560613529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11638094400 + 922519129 = 107880^2 + 30373^2 .

It is a cyclic number.

It is not a de Polignac number, because 12560613529 - 2⁹ = 12560613017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12560613491 and 12560613500.

It is not a weakly prime, because it can be changed into another prime (12560613509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6280306764 + 6280306765.

It is an arithmetic number, because the mean of its divisors is an integer number (6280306765).

Almost surely, 2^12560613529 is an apocalyptic number.

It is an amenable number.

12560613529 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560613529 is an equidigital number, since it uses as much as digits as its factorization.

12560613529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 12560613529 in words is "twelve billion, five hundred sixty million, six hundred thirteen thousand, five hundred twenty-nine".