11110111331171 has 2 divisors, whose sum is σ = 11110111331172. Its totient is φ = 11110111331170.

The previous prime is 11110111331071. The next prime is 11110111331197. The reversal of 11110111331171 is 17113311101111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110111331171 is a prime.

It is not a weakly prime, because it can be changed into another prime (11110111331071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555055665585 + 5555055665586.

It is an arithmetic number, because the mean of its divisors is an integer number (5555055665586).

Almost surely, 2^{11110111331171} is an apocalyptic number.

11110111331171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110111331171 is an equidigital number, since it uses as much as digits as its factorization.

11110111331171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63, while the sum is 23.

Adding to 11110111331171 its reverse (17113311101111), we get a palindrome (28223422432282).

The spelling of 11110111331171 in words is "eleven trillion, one hundred ten billion, one hundred eleven million, three hundred thirty-one thousand, one hundred seventy-one".