11001011171 has 2 divisors, whose sum is σ = 11001011172. Its totient is φ = 11001011170.

The previous prime is 11001011101. The next prime is 11001011237. The reversal of 11001011171 is 17111010011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001011171 - 2²⁶ = 10933902307 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001011101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500505585 + 5500505586.

It is an arithmetic number, because the mean of its divisors is an integer number (5500505586).

Almost surely, 2^11001011171 is an apocalyptic number.

11001011171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001011171 is an equidigital number, since it uses as much as digits as its factorization.

11001011171 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 11001011171 its reverse (17111010011), we get a palindrome (28112021182).

The spelling of 11001011171 in words is "eleven billion, one million, eleven thousand, one hundred seventy-one".