12568863805667 has 16 divisors (see below), whose sum is σ = 13547373883680. Its totient is φ = 11592024348672.

The previous prime is 12568863805651. The next prime is 12568863805669. The reversal of 12568863805667 is 76650836886521.

It is a cyclic number.

It is not a de Polignac number, because 12568863805667 - 2⁴ = 12568863805651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12568863805667.

It is not an unprimeable number, because it can be changed into a prime (12568863805669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112854893 + ... + 112966209.

It is an arithmetic number, because the mean of its divisors is an integer number (846710867730).

Almost surely, 2^{12568863805667} is an apocalyptic number.

12568863805667 is a deficient number, since it is larger than the sum of its proper divisors (978510078013).

12568863805667 is a wasteful number, since it uses less digits than its factorization.

12568863805667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118742.

The product of its (nonzero) digits is 696729600, while the sum is 71.

The spelling of 12568863805667 in words is "twelve trillion, five hundred sixty-eight billion, eight hundred sixty-three million, eight hundred five thousand, six hundred sixty-seven".