171141848117 has 2 divisors, whose sum is σ = 171141848118. Its totient is φ = 171141848116.

The previous prime is 171141848083. The next prime is 171141848147. The reversal of 171141848117 is 711848141171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170762338756 + 379509361 = 413234^2 + 19481^2 .

It is a cyclic number.

It is not a de Polignac number, because 171141848117 - 2¹² = 171141844021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (171141848147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85570924058 + 85570924059.

It is an arithmetic number, because the mean of its divisors is an integer number (85570924059).

Almost surely, 2^171141848117 is an apocalyptic number.

It is an amenable number.

171141848117 is a deficient number, since it is larger than the sum of its proper divisors (1).

171141848117 is an equidigital number, since it uses as much as digits as its factorization.

171141848117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 50176, while the sum is 44.

Adding to 171141848117 its reverse (711848141171), we get a palindrome (882989989288).

The spelling of 171141848117 in words is "one hundred seventy-one billion, one hundred forty-one million, eight hundred forty-eight thousand, one hundred seventeen".