868206011 has 2 divisors, whose sum is σ = 868206012. Its totient is φ = 868206010.

The previous prime is 868205993. The next prime is 868206013. The reversal of 868206011 is 110602868.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-868206011 is a prime.

Together with 868206013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (868206013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434103005 + 434103006.

It is an arithmetic number, because the mean of its divisors is an integer number (434103006).

Almost surely, 2^868206011 is an apocalyptic number.

868206011 is a deficient number, since it is larger than the sum of its proper divisors (1).

868206011 is an equidigital number, since it uses as much as digits as its factorization.

868206011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 868206011 is about 29465.3357523718. The cubic root of 868206011 is about 953.9836453941.

Adding to 868206011 its reverse (110602868), we get a palindrome (978808879).

The spelling of 868206011 in words is "eight hundred sixty-eight million, two hundred six thousand, eleven".