11325344543 has 4 divisors (see below), whose sum is σ = 11346049560. Its totient is φ = 11304639528.

The previous prime is 11325344539. The next prime is 11325344549. The reversal of 11325344543 is 34544352311.

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

It is a cyclic number.

It is not a de Polignac number, because 11325344543 - 2² = 11325344539 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 (11325344549) 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, 10351688 + ... + 10352781.

It is an arithmetic number, because the mean of its divisors is an integer number (2836512390).

Almost surely, 2^11325344543 is an apocalyptic number.

11325344543 is a deficient number, since it is larger than the sum of its proper divisors (20705017).

11325344543 is an equidigital number, since it uses as much as digits as its factorization.

11325344543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20705016.

The product of its digits is 86400, while the sum is 35.

Adding to 11325344543 its reverse (34544352311), we get a palindrome (45869696854).

The spelling of 11325344543 in words is "eleven billion, three hundred twenty-five million, three hundred forty-four thousand, five hundred forty-three".