2175706175117 has 2 divisors, whose sum is σ = 2175706175118. Its totient is φ = 2175706175116.

The previous prime is 2175706175051. The next prime is 2175706175131. The reversal of 2175706175117 is 7115716075712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1932194521156 + 243511653961 = 1390034^2 + 493469^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175706175117 - 2¹⁴ = 2175706158733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2175706175017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087853087558 + 1087853087559.

It is an arithmetic number, because the mean of its divisors is an integer number (1087853087559).

Almost surely, 2^{2175706175117} is an apocalyptic number.

It is an amenable number.

2175706175117 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175706175117 is an equidigital number, since it uses as much as digits as its factorization.

2175706175117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720300, while the sum is 50.

The spelling of 2175706175117 in words is "two trillion, one hundred seventy-five billion, seven hundred six million, one hundred seventy-five thousand, one hundred seventeen".