1311626535347 has 2 divisors, whose sum is σ = 1311626535348. Its totient is φ = 1311626535346.

The previous prime is 1311626535319. The next prime is 1311626535353. The reversal of 1311626535347 is 7435356261131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1311626535347 - 2¹⁴ = 1311626518963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311626535047) 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, 655813267673 + 655813267674.

It is an arithmetic number, because the mean of its divisors is an integer number (655813267674).

Almost surely, 2^{1311626535347} is an apocalyptic number.

1311626535347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311626535347 is an equidigital number, since it uses as much as digits as its factorization.

1311626535347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 47.

The spelling of 1311626535347 in words is "one trillion, three hundred eleven billion, six hundred twenty-six million, five hundred thirty-five thousand, three hundred forty-seven".