68125009265 has 16 divisors (see below), whose sum is σ = 83630197200. Its totient is φ = 53260250112.

The previous prime is 68125009247. The next prime is 68125009273. The reversal of 68125009265 is 56290052186.

It can be written as a sum of positive squares in 8 ways, for example, as 355216 + 68124654049 = 596^2 + 261007^2 .

It is a cyclic number.

It is not a de Polignac number, because 68125009265 - 2⁶ = 68125009201 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 816380 + ... + 895949.

It is an arithmetic number, because the mean of its divisors is an integer number (5226887325).

Almost surely, 2^68125009265 is an apocalyptic number.

It is an amenable number.

68125009265 is a deficient number, since it is larger than the sum of its proper divisors (15505187935).

68125009265 is a wasteful number, since it uses less digits than its factorization.

68125009265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712516.

The product of its (nonzero) digits is 259200, while the sum is 44.

The spelling of 68125009265 in words is "sixty-eight billion, one hundred twenty-five million, nine thousand, two hundred sixty-five".