11111000110111 has 12 divisors (see below), whose sum is σ = 12213185902456. Its totient is φ = 10100687184720.

The previous prime is 11111000110103. The next prime is 11111000110117. The reversal of 11111000110111 is 11101100011111.

It is a happy number.

It is not a de Polignac number, because 11111000110111 - 2³ = 11111000110103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111000110117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4649500 + ... + 6621166.

Almost surely, 2^{11111000110111} is an apocalyptic number.

11111000110111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111000110111 is a deficient number, since it is larger than the sum of its proper divisors (1102185792345).

11111000110111 is a wasteful number, since it uses less digits than its factorization.

11111000110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018262 (or 2018251 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 11111000110111 its reverse (11101100011111), we get a palindrome (22212100121222).

The spelling of 11111000110111 in words is "eleven trillion, one hundred eleven billion, one hundred ten thousand, one hundred eleven".