818009011 has 2 divisors, whose sum is σ = 818009012. Its totient is φ = 818009010.

The previous prime is 818008993. The next prime is 818009041. The reversal of 818009011 is 110900818.

818009011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 818009011 - 2⁵ = 818008979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (818009041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 409004505 + 409004506.

It is an arithmetic number, because the mean of its divisors is an integer number (409004506).

Almost surely, 2^818009011 is an apocalyptic number.

818009011 is a deficient number, since it is larger than the sum of its proper divisors (1).

818009011 is an equidigital number, since it uses as much as digits as its factorization.

818009011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 818009011 is about 28600.8568228296. The cubic root of 818009011 is about 935.2320093031.

Adding to 818009011 its reverse (110900818), we get a palindrome (928909829).

The spelling of 818009011 in words is "eight hundred eighteen million, nine thousand, eleven".