6811112737217 has 2 divisors, whose sum is σ = 6811112737218. Its totient is φ = 6811112737216.

The previous prime is 6811112737189. The next prime is 6811112737267. The reversal of 6811112737217 is 7127372111186.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6635152622641 + 175960114576 = 2575879^2 + 419476^2 .

It is a cyclic number.

It is not a de Polignac number, because 6811112737217 - 2¹⁸ = 6811112475073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6811112737267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3405556368608 + 3405556368609.

It is an arithmetic number, because the mean of its divisors is an integer number (3405556368609).

Almost surely, 2^{6811112737217} is an apocalyptic number.

It is an amenable number.

6811112737217 is a deficient number, since it is larger than the sum of its proper divisors (1).

6811112737217 is an equidigital number, since it uses as much as digits as its factorization.

6811112737217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 47.

The spelling of 6811112737217 in words is "six trillion, eight hundred eleven billion, one hundred twelve million, seven hundred thirty-seven thousand, two hundred seventeen".