11000111101111 has 4 divisors (see below), whose sum is σ = 12000121201224. Its totient is φ = 10000101001000.

The previous prime is 11000111101103. The next prime is 11000111101153. The reversal of 11000111101111 is 11110111100011.

It is a happy number.

11000111101111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11000111101111 - 2³ = 11000111101103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000111102111) 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, 500005050040 + ... + 500005050061.

It is an arithmetic number, because the mean of its divisors is an integer number (3000030300306).

Almost surely, 2^{11000111101111} is an apocalyptic number.

11000111101111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11000111101111 is a deficient number, since it is larger than the sum of its proper divisors (1000010100113).

11000111101111 is a wasteful number, since it uses less digits than its factorization.

11000111101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000010100112.

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

Adding to 11000111101111 its reverse (11110111100011), we get a palindrome (22110222201122).

The spelling of 11000111101111 in words is "eleven trillion, one hundred eleven million, one hundred one thousand, one hundred eleven".