200019991811 has 2 divisors, whose sum is σ = 200019991812. Its totient is φ = 200019991810.

The previous prime is 200019991771. The next prime is 200019991817. The reversal of 200019991811 is 118199910002.

200019991811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200019991811 - 2³⁰ = 198946249987 is a prime.

It is not a weakly prime, because it can be changed into another prime (200019991817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100009995905 + 100009995906.

It is an arithmetic number, because the mean of its divisors is an integer number (100009995906).

Almost surely, 2^200019991811 is an apocalyptic number.

200019991811 is a deficient number, since it is larger than the sum of its proper divisors (1).

200019991811 is an equidigital number, since it uses as much as digits as its factorization.

200019991811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 41.

The spelling of 200019991811 in words is "two hundred billion, nineteen million, nine hundred ninety-one thousand, eight hundred eleven".