171442427125 has 16 divisors (see below), whose sum is σ = 220862094336. Its totient is φ = 132729618000.

The previous prime is 171442427077. The next prime is 171442427137. The reversal of 171442427125 is 521724244171.

It is not a de Polignac number, because 171442427125 - 2⁹ = 171442426613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22117729 + ... + 22125478.

It is an arithmetic number, because the mean of its divisors is an integer number (13803880896).

Almost surely, 2^171442427125 is an apocalyptic number.

It is an amenable number.

171442427125 is a deficient number, since it is larger than the sum of its proper divisors (49419667211).

171442427125 is an equidigital number, since it uses as much as digits as its factorization.

171442427125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44243253 (or 44243243 counting only the distinct ones).

The product of its digits is 125440, while the sum is 40.

The spelling of 171442427125 in words is "one hundred seventy-one billion, four hundred forty-two million, four hundred twenty-seven thousand, one hundred twenty-five".