1161446416189 has 2 divisors, whose sum is σ = 1161446416190. Its totient is φ = 1161446416188.

The previous prime is 1161446416183. The next prime is 1161446416213. The reversal of 1161446416189 is 9816146441611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1033384068025 + 128062348164 = 1016555^2 + 357858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161446416189 - 2³³ = 1152856481597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161446416183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580723208094 + 580723208095.

It is an arithmetic number, because the mean of its divisors is an integer number (580723208095).

Almost surely, 2^{1161446416189} is an apocalyptic number.

It is an amenable number.

1161446416189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161446416189 is an equidigital number, since it uses as much as digits as its factorization.

1161446416189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 52.

The spelling of 1161446416189 in words is "one trillion, one hundred sixty-one billion, four hundred forty-six million, four hundred sixteen thousand, one hundred eighty-nine".