125612686857085 has 32 divisors (see below), whose sum is σ = 156590157878784. Its totient is φ = 96656082432000.

The previous prime is 125612686856959. The next prime is 125612686857089. The reversal of 125612686857085 is 580758686216521.

It is not a de Polignac number, because 125612686857085 - 2¹⁹ = 125612686332797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125612686857089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 901277805 + ... + 901417165.

It is an arithmetic number, because the mean of its divisors is an integer number (4893442433712).

Almost surely, 2^{125612686857085} is an apocalyptic number.

It is an amenable number.

125612686857085 is a deficient number, since it is larger than the sum of its proper divisors (30977471021699).

125612686857085 is a wasteful number, since it uses less digits than its factorization.

125612686857085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201405.

The product of its (nonzero) digits is 387072000, while the sum is 70.

The spelling of 125612686857085 in words is "one hundred twenty-five trillion, six hundred twelve billion, six hundred eighty-six million, eight hundred fifty-seven thousand, eighty-five".