11100133209 has 64 divisors (see below), whose sum is σ = 16948776960. Its totient is φ = 6403200000.

The previous prime is 11100133199. The next prime is 11100133259. The reversal of 11100133209 is 90233100111.

It is not a de Polignac number, because 11100133209 - 2⁷ = 11100133081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100133259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9241809 + ... + 9243009.

It is an arithmetic number, because the mean of its divisors is an integer number (264824640).

Almost surely, 2^11100133209 is an apocalyptic number.

It is an amenable number.

11100133209 is a deficient number, since it is larger than the sum of its proper divisors (5848643751).

11100133209 is a wasteful number, since it uses less digits than its factorization.

11100133209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

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

The spelling of 11100133209 in words is "eleven billion, one hundred million, one hundred thirty-three thousand, two hundred nine".