68756313125 has 10 divisors (see below), whose sum is σ = 85917889662. Its totient is φ = 55005050000.

The previous prime is 68756313097. The next prime is 68756313139. The reversal of 68756313125 is 52131365786.

It can be written as a sum of positive squares in 5 ways, for example, as 49592617636 + 19163695489 = 222694^2 + 138433^2 .

It is not a de Polignac number, because 68756313125 - 2⁸ = 68756312869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68756313125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55004426 + ... + 55005675.

Almost surely, 2^68756313125 is an apocalyptic number.

It is an amenable number.

68756313125 is a deficient number, since it is larger than the sum of its proper divisors (17161576537).

68756313125 is an equidigital number, since it uses as much as digits as its factorization.

68756313125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110010121 (or 110010106 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 68756313125 in words is "sixty-eight billion, seven hundred fifty-six million, three hundred thirteen thousand, one hundred twenty-five".