1001110009 has 2 divisors, whose sum is σ = 1001110010. Its totient is φ = 1001110008.

The previous prime is 1001110007. The next prime is 1001110013. The reversal of 1001110009 is 9000111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 929335225 + 71774784 = 30485^2 + 8472^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001110009 - 2¹ = 1001110007 is a prime.

Together with 1001110007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1001110007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555004 + 500555005.

It is an arithmetic number, because the mean of its divisors is an integer number (500555005).

Almost surely, 2^1001110009 is an apocalyptic number.

It is an amenable number.

1001110009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001110009 is an equidigital number, since it uses as much as digits as its factorization.

1001110009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9, while the sum is 13.

The square root of 1001110009 is about 31640.3225173196. The cubic root of 1001110009 is about 1000.3698661821.

The spelling of 1001110009 in words is "one billion, one million, one hundred ten thousand, nine".