68518481875713 has 12 divisors (see below), whose sum is σ = 100365100213248. Its totient is φ = 45035621889720.

The previous prime is 68518481875703. The next prime is 68518481875729. The reversal of 68518481875713 is 31757818481586.

68518481875713 is a `hidden beast` number, since 6 + 8 + 5 + 1 + 8 + 48 + 1 + 8 + 7 + 571 + 3 = 666.

It is not a de Polignac number, because 68518481875713 - 2¹² = 68518481871617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68518481875703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53613834945 + ... + 53613836222.

It is an arithmetic number, because the mean of its divisors is an integer number (8363758351104).

Almost surely, 2^{68518481875713} is an apocalyptic number.

It is an amenable number.

68518481875713 is a deficient number, since it is larger than the sum of its proper divisors (31846618337535).

68518481875713 is a wasteful number, since it uses less digits than its factorization.

68518481875713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107227671244 (or 107227671241 counting only the distinct ones).

The product of its digits is 361267200, while the sum is 72.

The spelling of 68518481875713 in words is "sixty-eight trillion, five hundred eighteen billion, four hundred eighty-one million, eight hundred seventy-five thousand, seven hundred thirteen".