1312511242579 has 2 divisors, whose sum is σ = 1312511242580. Its totient is φ = 1312511242578.

The previous prime is 1312511242547. The next prime is 1312511242619. The reversal of 1312511242579 is 9752421152131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1312511242579 - 2⁵ = 1312511242547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312511242979) 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, 656255621289 + 656255621290.

It is an arithmetic number, because the mean of its divisors is an integer number (656255621290).

Almost surely, 2^{1312511242579} is an apocalyptic number.

1312511242579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312511242579 is an equidigital number, since it uses as much as digits as its factorization.

1312511242579 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 1312511242579 in words is "one trillion, three hundred twelve billion, five hundred eleven million, two hundred forty-two thousand, five hundred seventy-nine".