11121004417 has 2 divisors, whose sum is σ = 11121004418. Its totient is φ = 11121004416.

The previous prime is 11121004409. The next prime is 11121004421. The reversal of 11121004417 is 71440012111.

11121004417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11120967936 + 36481 = 105456^2 + 191^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121004417 - 2³ = 11121004409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121004457) 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, 5560502208 + 5560502209.

It is an arithmetic number, because the mean of its divisors is an integer number (5560502209).

Almost surely, 2^11121004417 is an apocalyptic number.

It is an amenable number.

11121004417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121004417 is an equidigital number, since it uses as much as digits as its factorization.

11121004417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 11121004417 its reverse (71440012111), we get a palindrome (82561016528).

The spelling of 11121004417 in words is "eleven billion, one hundred twenty-one million, four thousand, four hundred seventeen".