8005511 has 2 divisors, whose sum is σ = 8005512. Its totient is φ = 8005510.

The previous prime is 8005499. The next prime is 8005519. The reversal of 8005511 is 1155008.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8005511 - 2¹⁰ = 8004487 is a prime.

It is a super-2 number, since 2×8005511² = 128176412742242, which contains 22 as substring.

It is a Chen prime.

It is equal to p₅₄₀₁₂₈ and since 8005511 and 540128 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8005519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4002755 + 4002756.

It is an arithmetic number, because the mean of its divisors is an integer number (4002756).

Almost surely, 2^8005511 is an apocalyptic number.

8005511 is a deficient number, since it is larger than the sum of its proper divisors (1).

8005511 is an equidigital number, since it uses as much as digits as its factorization.

8005511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 8005511 is about 2829.4011733934. The cubic root of 8005511 is about 200.0459144585.

The spelling of 8005511 in words is "eight million, five thousand, five hundred eleven".