11142144242401 has 4 divisors (see below), whose sum is σ = 11797564491972. Its totient is φ = 10486723992832.

The previous prime is 11142144242363. The next prime is 11142144242413. The reversal of 11142144242401 is 10424244124111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7813416972001 + 3328727270400 = 2795249^2 + 1824480^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142144242401 - 2⁹ = 11142144241889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142144242491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327710124760 + ... + 327710124793.

It is an arithmetic number, because the mean of its divisors is an integer number (2949391122993).

Almost surely, 2^{11142144242401} is an apocalyptic number.

It is an amenable number.

11142144242401 is a deficient number, since it is larger than the sum of its proper divisors (655420249571).

11142144242401 is an equidigital number, since it uses as much as digits as its factorization.

11142144242401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655420249570.

The product of its (nonzero) digits is 8192, while the sum is 31.

Adding to 11142144242401 its reverse (10424244124111), we get a palindrome (21566388366512).

The spelling of 11142144242401 in words is "eleven trillion, one hundred forty-two billion, one hundred forty-four million, two hundred forty-two thousand, four hundred one".