1011000009 has 16 divisors (see below), whose sum is σ = 1367537472. Its totient is φ = 664270848.

The previous prime is 1011000007. The next prime is 1011000041. The reversal of 1011000009 is 9000001101.

It is not a de Polignac number, because 1011000009 - 2¹ = 1011000007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010999958 and 1011000003.

It is not an unprimeable number, because it can be changed into a prime (1011000007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103129 + ... + 112505.

It is an arithmetic number, because the mean of its divisors is an integer number (85471092).

Almost surely, 2^1011000009 is an apocalyptic number.

It is an amenable number.

1011000009 is a deficient number, since it is larger than the sum of its proper divisors (356537463).

1011000009 is an equidigital number, since it uses as much as digits as its factorization.

1011000009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9896.

The product of its (nonzero) digits is 9, while the sum is 12.

The square root of 1011000009 is about 31796.2263326955. The cubic root of 1011000009 is about 1003.6533067632.

The spelling of 1011000009 in words is "one billion, eleven million, nine", and thus it is an aban number and an uban number.