11200001111171 has 2 divisors, whose sum is σ = 11200001111172. Its totient is φ = 11200001111170.

The previous prime is 11200001111071. The next prime is 11200001111249. The reversal of 11200001111171 is 17111110000211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200001111171 is a prime.

It is not a weakly prime, because it can be changed into another prime (11200001111071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600000555585 + 5600000555586.

It is an arithmetic number, because the mean of its divisors is an integer number (5600000555586).

Almost surely, 2^{11200001111171} is an apocalyptic number.

11200001111171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11200001111171 is an equidigital number, since it uses as much as digits as its factorization.

11200001111171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14, while the sum is 17.

Adding to 11200001111171 its reverse (17111110000211), we get a palindrome (28311111111382).

The spelling of 11200001111171 in words is "eleven trillion, two hundred billion, one million, one hundred eleven thousand, one hundred seventy-one".