11100111100009 has 4 divisors (see below), whose sum is σ = 11100118936320. Its totient is φ = 11100103263700.

The previous prime is 11100111100007. The next prime is 11100111100019. The reversal of 11100111100009 is 90000111100111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11100111100009 - 2¹ = 11100111100007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100111099965 and 11100111100001.

It is not an unprimeable number, because it can be changed into a prime (11100111100007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1133917 + ... + 4846234.

It is an arithmetic number, because the mean of its divisors is an integer number (2775029734080).

Almost surely, 2^{11100111100009} is an apocalyptic number.

It is an amenable number.

11100111100009 is a deficient number, since it is larger than the sum of its proper divisors (7836311).

11100111100009 is an equidigital number, since it uses as much as digits as its factorization.

11100111100009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836310.

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

The spelling of 11100111100009 in words is "eleven trillion, one hundred billion, one hundred eleven million, one hundred thousand, nine".