11111100110111 has 2 divisors, whose sum is σ = 11111100110112. Its totient is φ = 11111100110110.

The previous prime is 11111100110051. The next prime is 11111100110119. The reversal of 11111100110111 is 11101100111111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111100110111 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11111100110092 and 11111100110101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11111100110119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555550055055 + 5555550055056.

It is an arithmetic number, because the mean of its divisors is an integer number (5555550055056).

Almost surely, 2^{11111100110111} is an apocalyptic number.

11111100110111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111100110111 is an equidigital number, since it uses as much as digits as its factorization.

11111100110111 is an evil number, because the sum of its binary digits is even.

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

Adding to 11111100110111 its reverse (11101100111111), we get a palindrome (22212200221222).

The spelling of 11111100110111 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, one hundred eleven".