11133211209 has 16 divisors (see below), whose sum is σ = 15856575552. Its totient is φ = 6923721728.

The previous prime is 11133211189. The next prime is 11133211211. The reversal of 11133211209 is 90211233111.

11133211209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11133211209 - 2⁸ = 11133210953 is a prime.

It is a super-3 number, since 3×11133211209³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11133211259) 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, 960159 + ... + 971684.

It is an arithmetic number, because the mean of its divisors is an integer number (991035972).

Almost surely, 2^11133211209 is an apocalyptic number.

It is an amenable number.

11133211209 is a deficient number, since it is larger than the sum of its proper divisors (4723364343).

11133211209 is a wasteful number, since it uses less digits than its factorization.

11133211209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931976.

The product of its (nonzero) digits is 324, while the sum is 24.

The spelling of 11133211209 in words is "eleven billion, one hundred thirty-three million, two hundred eleven thousand, two hundred nine".