11717247731297 has 2 divisors, whose sum is σ = 11717247731298. Its totient is φ = 11717247731296.

The previous prime is 11717247731251. The next prime is 11717247731389. The reversal of 11717247731297 is 79213774271711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10999145718016 + 718102013281 = 3316496^2 + 847409^2 .

It is a cyclic number.

It is not a de Polignac number, because 11717247731297 - 2²⁴ = 11717230954081 is a prime.

It is not a weakly prime, because it can be changed into another prime (11717247781297) 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, 5858623865648 + 5858623865649.

It is an arithmetic number, because the mean of its divisors is an integer number (5858623865649).

Almost surely, 2^{11717247731297} is an apocalyptic number.

It is an amenable number.

11717247731297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11717247731297 is an equidigital number, since it uses as much as digits as its factorization.

11717247731297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7260624, while the sum is 59.

The spelling of 11717247731297 in words is "eleven trillion, seven hundred seventeen billion, two hundred forty-seven million, seven hundred thirty-one thousand, two hundred ninety-seven".