2006995811 has 2 divisors, whose sum is σ = 2006995812. Its totient is φ = 2006995810.

The previous prime is 2006995759. The next prime is 2006995817. The reversal of 2006995811 is 1185996002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2006995811 - 2⁶ = 2006995747 is a prime.

It is not a weakly prime, because it can be changed into another prime (2006995817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1003497905 + 1003497906.

It is an arithmetic number, because the mean of its divisors is an integer number (1003497906).

Almost surely, 2^2006995811 is an apocalyptic number.

2006995811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2006995811 is an equidigital number, since it uses as much as digits as its factorization.

2006995811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 2006995811 is about 44799.5068164818. The cubic root of 2006995811 is about 1261.3883686317.

The spelling of 2006995811 in words is "two billion, six million, nine hundred ninety-five thousand, eight hundred eleven".