11011002009 has 16 divisors (see below), whose sum is σ = 16795874688. Its totient is φ = 6285549312.

The previous prime is 11011001957. The next prime is 11011002019. The reversal of 11011002009 is 90020011011.

It is not a de Polignac number, because 11011002009 - 2⁸ = 11011001753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11011002019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247822 + ... + 288855.

It is an arithmetic number, because the mean of its divisors is an integer number (1049742168).

Almost surely, 2^11011002009 is an apocalyptic number.

It is an amenable number.

11011002009 is a deficient number, since it is larger than the sum of its proper divisors (5784872679).

11011002009 is an equidigital number, since it uses as much as digits as its factorization.

11011002009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537664.

The product of its (nonzero) digits is 18, while the sum is 15.

The spelling of 11011002009 in words is "eleven billion, eleven million, two thousand, nine".