11111110111193 has 2 divisors, whose sum is σ = 11111110111194. Its totient is φ = 11111110111192.

The previous prime is 11111110111187. The next prime is 11111110111273. The reversal of 11111110111193 is 39111101111111.

11111110111193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7461054009049 + 3650056102144 = 2731493^2 + 1910512^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111110111193 - 2¹⁰ = 11111110110169 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111110111993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555555055596 + 5555555055597.

It is an arithmetic number, because the mean of its divisors is an integer number (5555555055597).

Almost surely, 2^{11111110111193} is an apocalyptic number.

It is an amenable number.

11111110111193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111110111193 is an equidigital number, since it uses as much as digits as its factorization.

11111110111193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 23.

The spelling of 11111110111193 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, one hundred eleven thousand, one hundred ninety-three".