11013103209 has 16 divisors (see below), whose sum is σ = 15459951680. Its totient is φ = 6954310080.

The previous prime is 11013103177. The next prime is 11013103267. The reversal of 11013103209 is 90230131011.

11013103209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11013103209 - 2⁵ = 11013103177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013103279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342399 + ... + 373179.

It is an arithmetic number, because the mean of its divisors is an integer number (966246980).

Almost surely, 2^11013103209 is an apocalyptic number.

11013103209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11013103209 is a deficient number, since it is larger than the sum of its proper divisors (4446848471).

11013103209 is a wasteful number, since it uses less digits than its factorization.

11013103209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37080.

The product of its (nonzero) digits is 162, while the sum is 21.

The spelling of 11013103209 in words is "eleven billion, thirteen million, one hundred three thousand, two hundred nine".