800508011 has 2 divisors, whose sum is σ = 800508012. Its totient is φ = 800508010.

The previous prime is 800507993. The next prime is 800508073. The reversal of 800508011 is 110805008.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-800508011 is a prime.

It is a super-2 number, since 2×800508011² = 1281626151350352242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (800508211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400254005 + 400254006.

It is an arithmetic number, because the mean of its divisors is an integer number (400254006).

Almost surely, 2^800508011 is an apocalyptic number.

800508011 is a deficient number, since it is larger than the sum of its proper divisors (1).

800508011 is an equidigital number, since it uses as much as digits as its factorization.

800508011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 800508011 is about 28293.2502728124. The cubic root of 800508011 is about 928.5142233263.

The spelling of 800508011 in words is "eight hundred million, five hundred eight thousand, eleven".