125022548689985 has 8 divisors (see below), whose sum is σ = 150304372772136. Its totient is φ = 99833162722560.

The previous prime is 125022548689981. The next prime is 125022548689993. The reversal of 125022548689985 is 589986845220521.

It can be written as a sum of positive squares in 4 ways, for example, as 16627547580721 + 108395001109264 = 4077689^2 + 10411292^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125022548689985 - 2² = 125022548689981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125022548689981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23109525704 + ... + 23109531113.

It is an arithmetic number, because the mean of its divisors is an integer number (18788046596517).

Almost surely, 2^{125022548689985} is an apocalyptic number.

It is an amenable number.

125022548689985 is a deficient number, since it is larger than the sum of its proper divisors (25281824082151).

125022548689985 is an equidigital number, since it uses as much as digits as its factorization.

125022548689985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46219057363.

The product of its (nonzero) digits is 995328000, while the sum is 74.

The spelling of 125022548689985 in words is "one hundred twenty-five trillion, twenty-two billion, five hundred forty-eight million, six hundred eighty-nine thousand, nine hundred eighty-five".