1161367808317 has 2 divisors, whose sum is σ = 1161367808318. Its totient is φ = 1161367808316.

The previous prime is 1161367808303. The next prime is 1161367808399. The reversal of 1161367808317 is 7138087631611.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1017215462041 + 144152346276 = 1008571^2 + 379674^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161367808317 - 2⁷ = 1161367808189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161367808417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580683904158 + 580683904159.

It is an arithmetic number, because the mean of its divisors is an integer number (580683904159).

Almost surely, 2^{1161367808317} is an apocalyptic number.

It is an amenable number.

1161367808317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161367808317 is an equidigital number, since it uses as much as digits as its factorization.

1161367808317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 1161367808317 in words is "one trillion, one hundred sixty-one billion, three hundred sixty-seven million, eight hundred eight thousand, three hundred seventeen".