1179665594491 has 2 divisors, whose sum is σ = 1179665594492. Its totient is φ = 1179665594490.

The previous prime is 1179665594479. The next prime is 1179665594501. The reversal of 1179665594491 is 1944955669711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1179665594491 - 2²⁹ = 1179128723579 is a prime.

It is a super-2 number, since 2×1179665594491² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1179665594461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589832797245 + 589832797246.

It is an arithmetic number, because the mean of its divisors is an integer number (589832797246).

Almost surely, 2^{1179665594491} is an apocalyptic number.

1179665594491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179665594491 is an equidigital number, since it uses as much as digits as its factorization.

1179665594491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73483200, while the sum is 67.

The spelling of 1179665594491 in words is "one trillion, one hundred seventy-nine billion, six hundred sixty-five million, five hundred ninety-four thousand, four hundred ninety-one".