11542241321 has 16 divisors (see below), whose sum is σ = 12741310848. Its totient is φ = 10387958400.

The previous prime is 11542241311. The next prime is 11542241323. The reversal of 11542241321 is 12314224511.

It is a happy number.

11542241321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11542241321 - 2³⁰ = 10468499497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11542241323) 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 in 15 ways as a sum of consecutive naturals, for example, 970010 + ... + 981836.

It is an arithmetic number, because the mean of its divisors is an integer number (796331928).

Almost surely, 2^11542241321 is an apocalyptic number.

It is an amenable number.

11542241321 is a deficient number, since it is larger than the sum of its proper divisors (1199069527).

11542241321 is a wasteful number, since it uses less digits than its factorization.

11542241321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13712.

The product of its digits is 1920, while the sum is 26.

Adding to 11542241321 its reverse (12314224511), we get a palindrome (23856465832).

The spelling of 11542241321 in words is "eleven billion, five hundred forty-two million, two hundred forty-one thousand, three hundred twenty-one".