171052022051 has 32 divisors (see below), whose sum is σ = 186609500160. Its totient is φ = 156351596544.

The previous prime is 171052022027. The next prime is 171052022069. The reversal of 171052022051 is 150220250171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171052022051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 171052022051.

It is not an unprimeable number, because it can be changed into a prime (171052022651) 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 31 ways as a sum of consecutive naturals, for example, 12968606 + ... + 12981788.

It is an arithmetic number, because the mean of its divisors is an integer number (5831546880).

Almost surely, 2^171052022051 is an apocalyptic number.

171052022051 is a deficient number, since it is larger than the sum of its proper divisors (15557478109).

171052022051 is a wasteful number, since it uses less digits than its factorization.

171052022051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13515.

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 171052022051 in words is "one hundred seventy-one billion, fifty-two million, twenty-two thousand, fifty-one".