11111000110011 has 16 divisors (see below), whose sum is σ = 16461317658400. Its totient is φ = 7407073867104.

The previous prime is 11111000110009. The next prime is 11111000110019. The reversal of 11111000110011 is 11001100011111.

It is not a de Polignac number, because 11111000110011 - 2¹ = 11111000110009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 11111000109975 and 11111000110002.

It is not an unprimeable number, because it can be changed into a prime (11111000110019) 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, 6423016 + ... + 7967253.

It is an arithmetic number, because the mean of its divisors is an integer number (1028832353650).

Almost surely, 2^{11111000110011} is an apocalyptic number.

11111000110011 is a deficient number, since it is larger than the sum of its proper divisors (5350317548389).

11111000110011 is a wasteful number, since it uses less digits than its factorization.

11111000110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14418875 (or 14418869 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11111000110011 its reverse (11001100011111), we get a palindrome (22112100121122).

The spelling of 11111000110011 in words is "eleven trillion, one hundred eleven billion, one hundred ten thousand, eleven".