11144425443121 has 2 divisors, whose sum is σ = 11144425443122. Its totient is φ = 11144425443120.

The previous prime is 11144425443097. The next prime is 11144425443131. The reversal of 11144425443121 is 12134452444111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11139707264400 + 4718178721 = 3337620^2 + 68689^2 .

It is a cyclic number.

It is not a de Polignac number, because 11144425443121 - 2²⁵ = 11144391888689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11144425443131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572212721560 + 5572212721561.

It is an arithmetic number, because the mean of its divisors is an integer number (5572212721561).

Almost surely, 2^{11144425443121} is an apocalyptic number.

It is an amenable number.

11144425443121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11144425443121 is an equidigital number, since it uses as much as digits as its factorization.

11144425443121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61440, while the sum is 37.

Adding to 11144425443121 its reverse (12134452444111), we get a palindrome (23278877887232).

The spelling of 11144425443121 in words is "eleven trillion, one hundred forty-four billion, four hundred twenty-five million, four hundred forty-three thousand, one hundred twenty-one".