8008661611 has 2 divisors, whose sum is σ = 8008661612. Its totient is φ = 8008661610.

The previous prime is 8008661603. The next prime is 8008661677. The reversal of 8008661611 is 1161668008.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8008661611 - 2³ = 8008661603 is a prime.

It is not a weakly prime, because it can be changed into another prime (8008661681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004330805 + 4004330806.

It is an arithmetic number, because the mean of its divisors is an integer number (4004330806).

Almost surely, 2^8008661611 is an apocalyptic number.

8008661611 is a deficient number, since it is larger than the sum of its proper divisors (1).

8008661611 is an equidigital number, since it uses as much as digits as its factorization.

8008661611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 8008661611 is about 89491.1258784914. The cubic root of 8008661611 is about 2000.7215405750.

The spelling of 8008661611 in words is "eight billion, eight million, six hundred sixty-one thousand, six hundred eleven".