11000011009 has 8 divisors (see below), whose sum is σ = 11864096552. Its totient is φ = 10138487040.

The previous prime is 11000011003. The next prime is 11000011013. The reversal of 11000011009 is 90011000011.

It can be written as a sum of positive squares in 4 ways, for example, as 2740836609 + 8259174400 = 52353^2 + 90880^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11000011009 - 2⁵ = 11000010977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11000011009.

It is not an unprimeable number, because it can be changed into a prime (11000011003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631464 + ... + 648649.

It is an arithmetic number, because the mean of its divisors is an integer number (1483012069).

Almost surely, 2^11000011009 is an apocalyptic number.

It is an amenable number.

11000011009 is a deficient number, since it is larger than the sum of its proper divisors (864085543).

11000011009 is a wasteful number, since it uses less digits than its factorization.

11000011009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280787.

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

The spelling of 11000011009 in words is "eleven billion, eleven thousand, nine".