1311513215459 has 2 divisors, whose sum is σ = 1311513215460. Its totient is φ = 1311513215458.

The previous prime is 1311513215447. The next prime is 1311513215471. The reversal of 1311513215459 is 9545123151131.

It is a balanced prime because it is at equal distance from previous prime (1311513215447) and next prime (1311513215471).

It is a cyclic number.

It is not a de Polignac number, because 1311513215459 - 2⁴ = 1311513215443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311513217459) 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, 655756607729 + 655756607730.

It is an arithmetic number, because the mean of its divisors is an integer number (655756607730).

Almost surely, 2^{1311513215459} is an apocalyptic number.

1311513215459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311513215459 is an equidigital number, since it uses as much as digits as its factorization.

1311513215459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 41.

The spelling of 1311513215459 in words is "one trillion, three hundred eleven billion, five hundred thirteen million, two hundred fifteen thousand, four hundred fifty-nine".