11001139209 has 12 divisors (see below), whose sum is σ = 15920924656. Its totient is φ = 7320066552.

The previous prime is 11001139189. The next prime is 11001139267. The reversal of 11001139209 is 90293110011.

It is not a de Polignac number, because 11001139209 - 2²⁵ = 10967584777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001139609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1163887 + ... + 1173300.

Almost surely, 2^11001139209 is an apocalyptic number.

It is an amenable number.

11001139209 is a deficient number, since it is larger than the sum of its proper divisors (4919785447).

11001139209 is a wasteful number, since it uses less digits than its factorization.

11001139209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337716 (or 2337713 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 27.

The spelling of 11001139209 in words is "eleven billion, one million, one hundred thirty-nine thousand, two hundred nine".