11011100109 has 8 divisors (see below), whose sum is σ = 15319791552. Its totient is φ = 7021571040.

The previous prime is 11011100099. The next prime is 11011100117. The reversal of 11011100109 is 90100111011.

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

It is not a de Polignac number, because 11011100109 - 2¹⁵ = 11011067341 is a prime.

It is a super-2 number, since 2×11011100109² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011100909) 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 7 ways as a sum of consecutive naturals, for example, 79790512 + ... + 79790649.

It is an arithmetic number, because the mean of its divisors is an integer number (1914973944).

Almost surely, 2^11011100109 is an apocalyptic number.

It is an amenable number.

11011100109 is a deficient number, since it is larger than the sum of its proper divisors (4308691443).

11011100109 is a wasteful number, since it uses less digits than its factorization.

11011100109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159581187.

The product of its (nonzero) digits is 9, while the sum is 15.

The spelling of 11011100109 in words is "eleven billion, eleven million, one hundred thousand, one hundred nine".