1179878233291 has 2 divisors, whose sum is σ = 1179878233292. Its totient is φ = 1179878233290.

The previous prime is 1179878233267. The next prime is 1179878233379. The reversal of 1179878233291 is 1923328789711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1179878233291 - 2¹¹ = 1179878231243 is a prime.

It is a super-2 number, since 2×1179878233291² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1179878233691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 589939116645 + 589939116646.

It is an arithmetic number, because the mean of its divisors is an integer number (589939116646).

Almost surely, 2^{1179878233291} is an apocalyptic number.

1179878233291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1179878233291 is an equidigital number, since it uses as much as digits as its factorization.

1179878233291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 61.

The spelling of 1179878233291 in words is "one trillion, one hundred seventy-nine billion, eight hundred seventy-eight million, two hundred thirty-three thousand, two hundred ninety-one".