125171960289 has 32 divisors (see below), whose sum is σ = 177160399104. Its totient is φ = 78443354880.

The previous prime is 125171960237. The next prime is 125171960317. The reversal of 125171960289 is 982069171521.

It is not a de Polignac number, because 125171960289 - 2⁸ = 125171960033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125171960219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5093259 + ... + 5117775.

It is an arithmetic number, because the mean of its divisors is an integer number (5536262472).

Almost surely, 2^125171960289 is an apocalyptic number.

It is an amenable number.

125171960289 is a deficient number, since it is larger than the sum of its proper divisors (51988438815).

125171960289 is a wasteful number, since it uses less digits than its factorization.

125171960289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25817.

The product of its (nonzero) digits is 544320, while the sum is 51.

The spelling of 125171960289 in words is "one hundred twenty-five billion, one hundred seventy-one million, nine hundred sixty thousand, two hundred eighty-nine".