104297312961161 has 2 divisors, whose sum is σ = 104297312961162. Its totient is φ = 104297312961160.

The previous prime is 104297312961059. The next prime is 104297312961187. The reversal of 104297312961161 is 161169213792401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99037427580025 + 5259885381136 = 9951755^2 + 2293444^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104297312961161 is a prime.

It is not a weakly prime, because it can be changed into another prime (104297312961661) 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, 52148656480580 + 52148656480581.

It is an arithmetic number, because the mean of its divisors is an integer number (52148656480581).

Almost surely, 2^{104297312961161} is an apocalyptic number.

It is an amenable number.

104297312961161 is a deficient number, since it is larger than the sum of its proper divisors (1).

104297312961161 is an equidigital number, since it uses as much as digits as its factorization.

104297312961161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 104297312961161 in words is "one hundred four trillion, two hundred ninety-seven billion, three hundred twelve million, nine hundred sixty-one thousand, one hundred sixty-one".