131715666271171 has 16 divisors (see below), whose sum is σ = 134946445544064. Its totient is φ = 128502757556224.

The previous prime is 131715666271151. The next prime is 131715666271177. The reversal of 131715666271171 is 171172666517131.

It is a cyclic number.

It is not a de Polignac number, because 131715666271171 - 2¹³ = 131715666262979 is a prime.

It is a super-2 number, since 2×131715666271171² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131715666271177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598725531 + ... + 598945483.

It is an arithmetic number, because the mean of its divisors is an integer number (8434152846504).

Almost surely, 2^{131715666271171} is an apocalyptic number.

131715666271171 is a deficient number, since it is larger than the sum of its proper divisors (3230779272893).

131715666271171 is a wasteful number, since it uses less digits than its factorization.

131715666271171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260510.

The product of its digits is 2222640, while the sum is 55.

The spelling of 131715666271171 in words is "one hundred thirty-one trillion, seven hundred fifteen billion, six hundred sixty-six million, two hundred seventy-one thousand, one hundred seventy-one".