125255012085 has 96 divisors (see below), whose sum is σ = 250621862400. Its totient is φ = 56685657600.

The previous prime is 125255012081. The next prime is 125255012087. The reversal of 125255012085 is 580210552521.

125255012085 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 550 + 1 + 20 + 85 = 666.

It is not a de Polignac number, because 125255012085 - 2² = 125255012081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125255012081) 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 95 ways as a sum of consecutive naturals, for example, 14592495 + ... + 14601075.

It is an arithmetic number, because the mean of its divisors is an integer number (2610644400).

Almost surely, 2^125255012085 is an apocalyptic number.

125255012085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125255012085 is an abundant number, since it is smaller than the sum of its proper divisors (125366850315).

125255012085 is a wasteful number, since it uses less digits than its factorization.

125255012085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9059 (or 9056 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

The spelling of 125255012085 in words is "one hundred twenty-five billion, two hundred fifty-five million, twelve thousand, eighty-five".