11124043340321 has 4 divisors (see below), whose sum is σ = 11124622525632. Its totient is φ = 11123464155012.

The previous prime is 11124043340309. The next prime is 11124043340323. The reversal of 11124043340321 is 12304334042111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11124043340321 - 2⁶ = 11124043340257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11124043340323) 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, 289563845 + ... + 289602258.

It is an arithmetic number, because the mean of its divisors is an integer number (2781155631408).

Almost surely, 2^{11124043340321} is an apocalyptic number.

It is an amenable number.

11124043340321 is a deficient number, since it is larger than the sum of its proper divisors (579185311).

11124043340321 is an equidigital number, since it uses as much as digits as its factorization.

11124043340321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579185310.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 11124043340321 its reverse (12304334042111), we get a palindrome (23428377382432).

The spelling of 11124043340321 in words is "eleven trillion, one hundred twenty-four billion, forty-three million, three hundred forty thousand, three hundred twenty-one".