1113452543 has 8 divisors (see below), whose sum is σ = 1294085760. Its totient is φ = 938211480.

The previous prime is 1113452537. The next prime is 1113452569. The reversal of 1113452543 is 3452543111.

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 1113452543 - 2¹⁰ = 1113451519 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 (1113452503) 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, 1347593 + ... + 1348418.

It is an arithmetic number, because the mean of its divisors is an integer number (161760720).

Almost surely, 2^1113452543 is an apocalyptic number.

1113452543 is a deficient number, since it is larger than the sum of its proper divisors (180633217).

1113452543 is an equidigital number, since it uses as much as digits as its factorization.

1113452543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696077.

The product of its digits is 7200, while the sum is 29.

The square root of 1113452543 is about 33368.4363283628. The cubic root of 1113452543 is about 1036.4711955326.

Adding to 1113452543 its reverse (3452543111), we get a palindrome (4565995654).

The spelling of 1113452543 in words is "one billion, one hundred thirteen million, four hundred fifty-two thousand, five hundred forty-three".