1311201597859 has 2 divisors, whose sum is σ = 1311201597860. Its totient is φ = 1311201597858.

The previous prime is 1311201597841. The next prime is 1311201597907. The reversal of 1311201597859 is 9587951021131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1311201597859 - 2¹⁷ = 1311201466787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311201597659) 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, 655600798929 + 655600798930.

It is an arithmetic number, because the mean of its divisors is an integer number (655600798930).

Almost surely, 2^{1311201597859} is an apocalyptic number.

1311201597859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311201597859 is an equidigital number, since it uses as much as digits as its factorization.

1311201597859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 52.

The spelling of 1311201597859 in words is "one trillion, three hundred eleven billion, two hundred one million, five hundred ninety-seven thousand, eight hundred fifty-nine".