1161873122177 has 2 divisors, whose sum is σ = 1161873122178. Its totient is φ = 1161873122176.

The previous prime is 1161873122159. The next prime is 1161873122203. The reversal of 1161873122177 is 7712213781611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1095955640641 + 65917481536 = 1046879^2 + 256744^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161873122177 - 2¹⁰ = 1161873121153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161873122117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580936561088 + 580936561089.

It is an arithmetic number, because the mean of its divisors is an integer number (580936561089).

Almost surely, 2^{1161873122177} is an apocalyptic number.

It is an amenable number.

1161873122177 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161873122177 is an equidigital number, since it uses as much as digits as its factorization.

1161873122177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 47.

The spelling of 1161873122177 in words is "one trillion, one hundred sixty-one billion, eight hundred seventy-three million, one hundred twenty-two thousand, one hundred seventy-seven".