2175057071171 has 2 divisors, whose sum is σ = 2175057071172. Its totient is φ = 2175057071170.

The previous prime is 2175057071059. The next prime is 2175057071203. The reversal of 2175057071171 is 1711707505712.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2175057071171 - 2³⁰ = 2173983329347 is a prime.

It is a super-2 number, since 2×2175057071171² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2175057071471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087528535585 + 1087528535586.

It is an arithmetic number, because the mean of its divisors is an integer number (1087528535586).

Almost surely, 2^{2175057071171} is an apocalyptic number.

2175057071171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175057071171 is an equidigital number, since it uses as much as digits as its factorization.

2175057071171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120050, while the sum is 44.

The spelling of 2175057071171 in words is "two trillion, one hundred seventy-five billion, fifty-seven million, seventy-one thousand, one hundred seventy-one".