171056422071 has 12 divisors (see below), whose sum is σ = 247085155200. Its totient is φ = 114035927040.

The previous prime is 171056422003. The next prime is 171056422079. The reversal of 171056422071 is 170224650171.

171056422071 is a `hidden beast` number, since 1 + 7 + 1 + 0 + 5 + 642 + 2 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 171056422071 - 2¹⁵ = 171056389303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (171056422079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931255 + ... + 1099703.

It is an arithmetic number, because the mean of its divisors is an integer number (20590429600).

Almost surely, 2^171056422071 is an apocalyptic number.

171056422071 is a deficient number, since it is larger than the sum of its proper divisors (76028733129).

171056422071 is a wasteful number, since it uses less digits than its factorization.

171056422071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281286 (or 281283 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The spelling of 171056422071 in words is "one hundred seventy-one billion, fifty-six million, four hundred twenty-two thousand, seventy-one".