1171116834473 has 2 divisors, whose sum is σ = 1171116834474. Its totient is φ = 1171116834472.

The previous prime is 1171116834439. The next prime is 1171116834557. The reversal of 1171116834473 is 3744386111711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004218439449 + 166898395024 = 1002107^2 + 408532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1171116834473 is a prime.

It is a super-3 number, since 3×1171116834473³ (a number of 37 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1171116836473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 585558417236 + 585558417237.

It is an arithmetic number, because the mean of its divisors is an integer number (585558417237).

Almost surely, 2^{1171116834473} is an apocalyptic number.

It is an amenable number.

1171116834473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1171116834473 is an equidigital number, since it uses as much as digits as its factorization.

1171116834473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 47.

The spelling of 1171116834473 in words is "one trillion, one hundred seventy-one billion, one hundred sixteen million, eight hundred thirty-four thousand, four hundred seventy-three".