11142452543 has 8 divisors (see below), whose sum is σ = 11519308416. Its totient is φ = 10766685600.

The previous prime is 11142452539. The next prime is 11142452551. The reversal of 11142452543 is 34525424111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11142452543 - 2² = 11142452539 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 (11142452743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251396 + ... + 292377.

It is an arithmetic number, because the mean of its divisors is an integer number (1439913552).

Almost surely, 2^11142452543 is an apocalyptic number.

11142452543 is a deficient number, since it is larger than the sum of its proper divisors (376855873).

11142452543 is an equidigital number, since it uses as much as digits as its factorization.

11142452543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544465.

The product of its digits is 19200, while the sum is 32.

Adding to 11142452543 its reverse (34525424111), we get a palindrome (45667876654).

The spelling of 11142452543 in words is "eleven billion, one hundred forty-two million, four hundred fifty-two thousand, five hundred forty-three".