68028368113 has 12 divisors (see below), whose sum is σ = 74273031540. Its totient is φ = 62225575776.

The previous prime is 68028368101. The next prime is 68028368123. The reversal of 68028368113 is 31186382086.

It can be written as a sum of positive squares in 2 ways, for example, as 58161521889 + 9866846224 = 241167^2 + 99332^2 .

It is not a de Polignac number, because 68028368113 - 2⁵ = 68028368081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68028368123) 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, 3238570 + ... + 3259507.

It is an arithmetic number, because the mean of its divisors is an integer number (6189419295).

Almost surely, 2^68028368113 is an apocalyptic number.

It is an amenable number.

68028368113 is a deficient number, since it is larger than the sum of its proper divisors (6244663427).

68028368113 is a wasteful number, since it uses less digits than its factorization.

68028368113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498144 (or 6498125 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 68028368113 in words is "sixty-eight billion, twenty-eight million, three hundred sixty-eight thousand, one hundred thirteen".