208208448611 has 2 divisors, whose sum is σ = 208208448612. Its totient is φ = 208208448610.

The previous prime is 208208448541. The next prime is 208208448629. The reversal of 208208448611 is 116844802802.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-208208448611 is a prime.

It is not a weakly prime, because it can be changed into another prime (208208448641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104104224305 + 104104224306.

It is an arithmetic number, because the mean of its divisors is an integer number (104104224306).

Almost surely, 2^208208448611 is an apocalyptic number.

208208448611 is a deficient number, since it is larger than the sum of its proper divisors (1).

208208448611 is an equidigital number, since it uses as much as digits as its factorization.

208208448611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 196608, while the sum is 44.

The spelling of 208208448611 in words is "two hundred eight billion, two hundred eight million, four hundred forty-eight thousand, six hundred eleven".