171125431267 has 4 divisors (see below), whose sum is σ = 195571921456. Its totient is φ = 146678941080.

The previous prime is 171125431259. The next prime is 171125431283. The reversal of 171125431267 is 762134521171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 762134521171 = 2129 ⋅357977699.

It is not a de Polignac number, because 171125431267 - 2³ = 171125431259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (171125431207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12223245084 + ... + 12223245097.

It is an arithmetic number, because the mean of its divisors is an integer number (48892980364).

Almost surely, 2^171125431267 is an apocalyptic number.

171125431267 is a deficient number, since it is larger than the sum of its proper divisors (24446490189).

171125431267 is an equidigital number, since it uses as much as digits as its factorization.

171125431267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24446490188.

The product of its digits is 70560, while the sum is 40.

The spelling of 171125431267 in words is "one hundred seventy-one billion, one hundred twenty-five million, four hundred thirty-one thousand, two hundred sixty-seven".