1113543541 has 8 divisors (see below), whose sum is σ = 1216119168. Its totient is φ = 1011192000.

The previous prime is 1113543491. The next prime is 1113543617. The reversal of 1113543541 is 1453453111.

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 1113543541 - 2²⁷ = 979325813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113543941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45540 + ... + 65581.

It is an arithmetic number, because the mean of its divisors is an integer number (152014896).

Almost surely, 2^1113543541 is an apocalyptic number.

1113543541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113543541 is a deficient number, since it is larger than the sum of its proper divisors (102575627).

1113543541 is a wasteful number, since it uses less digits than its factorization.

1113543541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112043.

The product of its digits is 3600, while the sum is 28.

The square root of 1113543541 is about 33369.7998345810. The cubic root of 1113543541 is about 1036.4994303047.

Adding to 1113543541 its reverse (1453453111), we get a palindrome (2566996652).

The spelling of 1113543541 in words is "one billion, one hundred thirteen million, five hundred forty-three thousand, five hundred forty-one".