12516417259 has 2 divisors, whose sum is σ = 12516417260. Its totient is φ = 12516417258.

The previous prime is 12516417211. The next prime is 12516417281. The reversal of 12516417259 is 95271461521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12516417259 - 2⁷ = 12516417131 is a prime.

It is not a weakly prime, because it can be changed into another prime (12516417209) by changing a digit.

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 as a sum of consecutive naturals, namely, 6258208629 + 6258208630.

It is an arithmetic number, because the mean of its divisors is an integer number (6258208630).

Almost surely, 2^12516417259 is an apocalyptic number.

12516417259 is a deficient number, since it is larger than the sum of its proper divisors (1).

12516417259 is an equidigital number, since it uses as much as digits as its factorization.

12516417259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 43.

The spelling of 12516417259 in words is "twelve billion, five hundred sixteen million, four hundred seventeen thousand, two hundred fifty-nine".