8563542116009 has 2 divisors, whose sum is σ = 8563542116010. Its totient is φ = 8563542116008.

The previous prime is 8563542115981. The next prime is 8563542116113. The reversal of 8563542116009 is 9006112453658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8493989658025 + 69552457984 = 2914445^2 + 263728^2 .

It is a cyclic number.

It is not a de Polignac number, because 8563542116009 - 2⁸ = 8563542115753 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (8563542116309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281771058004 + 4281771058005.

It is an arithmetic number, because the mean of its divisors is an integer number (4281771058005).

Almost surely, 2^{8563542116009} is an apocalyptic number.

It is an amenable number.

8563542116009 is a deficient number, since it is larger than the sum of its proper divisors (1).

8563542116009 is an equidigital number, since it uses as much as digits as its factorization.

8563542116009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 8563542116009 in words is "eight trillion, five hundred sixty-three billion, five hundred forty-two million, one hundred sixteen thousand, nine".