1166116500079 has 2 divisors, whose sum is σ = 1166116500080. Its totient is φ = 1166116500078.

The previous prime is 1166116500053. The next prime is 1166116500091. The reversal of 1166116500079 is 9700056116611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1166116500079 - 2¹⁵ = 1166116467311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1166116500049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583058250039 + 583058250040.

It is an arithmetic number, because the mean of its divisors is an integer number (583058250040).

Almost surely, 2^{1166116500079} is an apocalyptic number.

1166116500079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166116500079 is an equidigital number, since it uses as much as digits as its factorization.

1166116500079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The spelling of 1166116500079 in words is "one trillion, one hundred sixty-six billion, one hundred sixteen million, five hundred thousand, seventy-nine".