200011100609 has 2 divisors, whose sum is σ = 200011100610. Its totient is φ = 200011100608.

The previous prime is 200011100599. The next prime is 200011100629. The reversal of 200011100609 is 906001110002.

It is an a-pointer prime, because the next prime (200011100629) can be obtained adding 200011100609 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146034801025 + 53976299584 = 382145^2 + 232328^2 .

It is a cyclic number.

It is not a de Polignac number, because 200011100609 - 2⁸ = 200011100353 is a prime.

It is not a weakly prime, because it can be changed into another prime (200011100629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100005550304 + 100005550305.

It is an arithmetic number, because the mean of its divisors is an integer number (100005550305).

Almost surely, 2^200011100609 is an apocalyptic number.

It is an amenable number.

200011100609 is a deficient number, since it is larger than the sum of its proper divisors (1).

200011100609 is an equidigital number, since it uses as much as digits as its factorization.

200011100609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 200011100609 in words is "two hundred billion, eleven million, one hundred thousand, six hundred nine".