11234504543 has 4 divisors (see below), whose sum is σ = 11265116640. Its totient is φ = 11203892448.

The previous prime is 11234504531. The next prime is 11234504549. The reversal of 11234504543 is 34540543211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34540543211 = 8731 ⋅3956081.

It is a cyclic number.

It is not a de Polignac number, because 11234504543 - 2¹² = 11234500447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11234504549) 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, 15305498 + ... + 15306231.

It is an arithmetic number, because the mean of its divisors is an integer number (2816279160).

Almost surely, 2^11234504543 is an apocalyptic number.

11234504543 is a deficient number, since it is larger than the sum of its proper divisors (30612097).

11234504543 is an equidigital number, since it uses as much as digits as its factorization.

11234504543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30612096.

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 11234504543 in words is "eleven billion, two hundred thirty-four million, five hundred four thousand, five hundred forty-three".