11101111009 has 8 divisors (see below), whose sum is σ = 11138400000. Its totient is φ = 11063854032.

The previous prime is 11101111003. The next prime is 11101111013. The reversal of 11101111009 is 90011110111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11101111009 - 2⁹ = 11101110497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101110983 and 11101111001.

It is not an unprimeable number, because it can be changed into a prime (11101111003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 830622 + ... + 843880.

It is an arithmetic number, because the mean of its divisors is an integer number (1392300000).

Almost surely, 2^11101111009 is an apocalyptic number.

It is an amenable number.

11101111009 is a deficient number, since it is larger than the sum of its proper divisors (37288991).

11101111009 is a wasteful number, since it uses less digits than its factorization.

11101111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16007.

The product of its (nonzero) digits is 9, while the sum is 16.

The spelling of 11101111009 in words is "eleven billion, one hundred one million, one hundred eleven thousand, nine".