125016506271 has 8 divisors (see below), whose sum is σ = 185209638960. Its totient is φ = 83344337496.

The previous prime is 125016506269. The next prime is 125016506287. The reversal of 125016506271 is 172605610521.

125016506271 is a `hidden beast` number, since 1 + 25 + 0 + 1 + 6 + 5 + 0 + 627 + 1 = 666.

It is not a de Polignac number, because 125016506271 - 2¹ = 125016506269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125016506221) 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 7 ways as a sum of consecutive naturals, for example, 2315120460 + ... + 2315120513.

It is an arithmetic number, because the mean of its divisors is an integer number (23151204870).

Almost surely, 2^125016506271 is an apocalyptic number.

125016506271 is a deficient number, since it is larger than the sum of its proper divisors (60193132689).

125016506271 is an equidigital number, since it uses as much as digits as its factorization.

125016506271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630240982 (or 4630240976 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 125016506271 in words is "one hundred twenty-five billion, sixteen million, five hundred six thousand, two hundred seventy-one".