11011001111109 has 16 divisors (see below), whose sum is σ = 16313360473600. Its totient is φ = 7340322601728.

The previous prime is 11011001111093. The next prime is 11011001111141. The reversal of 11011001111109 is 90111110011011.

It is not a de Polignac number, because 11011001111109 - 2⁴ = 11011001111093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011001111091 and 11011001111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011001118109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8991829 + ... + 10142730.

It is an arithmetic number, because the mean of its divisors is an integer number (1019585029600).

Almost surely, 2^{11011001111109} is an apocalyptic number.

It is an amenable number.

11011001111109 is a deficient number, since it is larger than the sum of its proper divisors (5302359362491).

11011001111109 is a wasteful number, since it uses less digits than its factorization.

11011001111109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19155881 (or 19155875 counting only the distinct ones).

The product of its (nonzero) digits is 9, while the sum is 18.

The spelling of 11011001111109 in words is "eleven trillion, eleven billion, one million, one hundred eleven thousand, one hundred nine".