171125350929 has 27 divisors (see below), whose sum is σ = 267682836603. Its totient is φ = 105297980112.

The previous prime is 171125350909. The next prime is 171125350933. The reversal of 171125350929 is 929053521171.

The square root of 171125350929 is 413673.

It is a perfect power (a square), and thus also a powerful number.

171125350929 is a `hidden beast` number, since 1 + 7 + 112 + 5 + 3 + 509 + 29 = 666.

It can be written as a sum of positive squares in only one way, i.e., 25314401025 + 145810949904 = 159105^2 + 381852^2 .

It is not a de Polignac number, because 171125350929 - 2⁷ = 171125350801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (171125350909) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 16127944 + ... + 16138550.

Almost surely, 2^171125350929 is an apocalyptic number.

171125350929 is the 413673-rd square number.

171125350929 is the 206837-th centered octagonal number.

It is an amenable number.

171125350929 is a deficient number, since it is larger than the sum of its proper divisors (96557485674).

171125350929 is an frugal number, since it uses more digits than its factorization.

171125350929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21246 (or 10623 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The spelling of 171125350929 in words is "one hundred seventy-one billion, one hundred twenty-five million, three hundred fifty thousand, nine hundred twenty-nine".