1205760914161 has 2 divisors, whose sum is σ = 1205760914162. Its totient is φ = 1205760914160.

The previous prime is 1205760914123. The next prime is 1205760914209. The reversal of 1205760914161 is 1614190675021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 742604445025 + 463156469136 = 861745^2 + 680556^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205760914161 - 2²³ = 1205752525553 is a prime.

It is not a weakly prime, because it can be changed into another prime (1205760917161) 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, 602880457080 + 602880457081.

It is an arithmetic number, because the mean of its divisors is an integer number (602880457081).

Almost surely, 2^{1205760914161} is an apocalyptic number.

It is an amenable number.

1205760914161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205760914161 is an equidigital number, since it uses as much as digits as its factorization.

1205760914161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 1205760914161 in words is "one trillion, two hundred five billion, seven hundred sixty million, nine hundred fourteen thousand, one hundred sixty-one".