11111100111110 has 64 divisors (see below), whose sum is σ = 21109894444800. Its totient is φ = 4199072169600.

The previous prime is 11111100110993. The next prime is 11111100111113. The reversal of 11111100111110 is 1111100111111.

It is a junction number, because it is equal to n+sod(n) for n = 11111100111091 and 11111100111100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111100111113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256402145 + ... + 256445475.

It is an arithmetic number, because the mean of its divisors is an integer number (329842100700).

Almost surely, 2^{11111100111110} is an apocalyptic number.

11111100111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11111100111110 is a deficient number, since it is larger than the sum of its proper divisors (9998794333690).

11111100111110 is a wasteful number, since it uses less digits than its factorization.

11111100111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46997.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 11111100111110 its reverse (1111100111111), we get a palindrome (12222200222221).

Subtracting from 11111100111110 its reverse (1111100111111), we obtain a palindrome (9999999999999).

The spelling of 11111100111110 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred eleven thousand, one hundred ten".