11560647396817 has 2 divisors, whose sum is σ = 11560647396818. Its totient is φ = 11560647396816.

The previous prime is 11560647396787. The next prime is 11560647396829. The reversal of 11560647396817 is 71869374606511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6700844782801 + 4859802614016 = 2588599^2 + 2204496^2 .

It is a cyclic number.

It is not a de Polignac number, because 11560647396817 - 2³⁵ = 11526287658449 is a prime.

It is not a weakly prime, because it can be changed into another prime (11560647316817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780323698408 + 5780323698409.

It is an arithmetic number, because the mean of its divisors is an integer number (5780323698409).

Almost surely, 2^{11560647396817} is an apocalyptic number.

It is an amenable number.

11560647396817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560647396817 is an equidigital number, since it uses as much as digits as its factorization.

11560647396817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 11560647396817 in words is "eleven trillion, five hundred sixty billion, six hundred forty-seven million, three hundred ninety-six thousand, eight hundred seventeen".