11111110110111 has 32 divisors (see below), whose sum is σ = 16256189714688. Its totient is φ = 6694652643840.

The previous prime is 11111110110071. The next prime is 11111110110127. The reversal of 11111110110111 is 11101101111111.

11111110110111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11111110110111 - 2¹³ = 11111110101919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111110110161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7772916 + ... + 9090678.

It is an arithmetic number, because the mean of its divisors is an integer number (508005928584).

Almost surely, 2^{11111110110111} is an apocalyptic number.

11111110110111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11111110110111 is a deficient number, since it is larger than the sum of its proper divisors (5145079604577).

11111110110111 is a wasteful number, since it uses less digits than its factorization.

11111110110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319271.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 11111110110111 its reverse (11101101111111), we get a palindrome (22212211221222).

It can be divided in two parts, 1111 and 1110110111, that multiplied together give a palindrome (1233332333321).

The spelling of 11111110110111 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, one hundred ten thousand, one hundred eleven".