810530011 has 2 divisors, whose sum is σ = 810530012. Its totient is φ = 810530010.

The previous prime is 810529957. The next prime is 810530057. The reversal of 810530011 is 110035018.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 810530011 - 2¹⁵ = 810497243 is a prime.

It is not a weakly prime, because it can be changed into another prime (810530081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405265005 + 405265006.

It is an arithmetic number, because the mean of its divisors is an integer number (405265006).

Almost surely, 2^810530011 is an apocalyptic number.

810530011 is a deficient number, since it is larger than the sum of its proper divisors (1).

810530011 is an equidigital number, since it uses as much as digits as its factorization.

810530011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 810530011 is about 28469.8087629685. The cubic root of 810530011 is about 932.3730244204.

Adding to 810530011 its reverse (110035018), we get a palindrome (920565029).

The spelling of 810530011 in words is "eight hundred ten million, five hundred thirty thousand, eleven".