11100011171 has 2 divisors, whose sum is σ = 11100011172. Its totient is φ = 11100011170.

The previous prime is 11100011149. The next prime is 11100011183. The reversal of 11100011171 is 17111000111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100011171 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550005585 + 5550005586.

It is an arithmetic number, because the mean of its divisors is an integer number (5550005586).

Almost surely, 2^11100011171 is an apocalyptic number.

11100011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100011171 is an equidigital number, since it uses as much as digits as its factorization.

11100011171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7, while the sum is 14.

Adding to 11100011171 its reverse (17111000111), we get a palindrome (28211011282).

The spelling of 11100011171 in words is "eleven billion, one hundred million, eleven thousand, one hundred seventy-one".