11171311111241 has 2 divisors, whose sum is σ = 11171311111242. Its totient is φ = 11171311111240.

The previous prime is 11171311111229. The next prime is 11171311111409. The reversal of 11171311111241 is 14211111317111.

It is a m-pointer prime, because the next prime (11171311111409) can be obtained adding 11171311111241 to its product of digits (168).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9170843155600 + 2000467955641 = 3028340^2 + 1414379^2 .

It is a cyclic number.

It is not a de Polignac number, because 11171311111241 - 2²⁶ = 11171244002377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11171311111241.

It is not a weakly prime, because it can be changed into another prime (11171311111201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5585655555620 + 5585655555621.

It is an arithmetic number, because the mean of its divisors is an integer number (5585655555621).

Almost surely, 2^{11171311111241} is an apocalyptic number.

It is an amenable number.

11171311111241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11171311111241 is an equidigital number, since it uses as much as digits as its factorization.

11171311111241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168, while the sum is 26.

Adding to 11171311111241 its reverse (14211111317111), we get a palindrome (25382422428352).

The spelling of 11171311111241 in words is "eleven trillion, one hundred seventy-one billion, three hundred eleven million, one hundred eleven thousand, two hundred forty-one".