2000605811 has 2 divisors, whose sum is σ = 2000605812. Its totient is φ = 2000605810.

The previous prime is 2000605793. The next prime is 2000605819. The reversal of 2000605811 is 1185060002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000605811 is a prime.

It is a super-2 number, since 2×2000605811² = 8004847222013935442, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2000605819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000302905 + 1000302906.

It is an arithmetic number, because the mean of its divisors is an integer number (1000302906).

Almost surely, 2^2000605811 is an apocalyptic number.

2000605811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000605811 is an equidigital number, since it uses as much as digits as its factorization.

2000605811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 2000605811 is about 44728.1322100532. The cubic root of 2000605811 is about 1260.0482493911.

Adding to 2000605811 its reverse (1185060002), we get a palindrome (3185665813).

The spelling of 2000605811 in words is "two billion, six hundred five thousand, eight hundred eleven".