1103110543 has 4 divisors (see below), whose sum is σ = 1103623168. Its totient is φ = 1102597920.

The previous prime is 1103110537. The next prime is 1103110549. The reversal of 1103110543 is 3450113011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3450113011 = 71 ⋅48593141.

It is an interprime number because it is at equal distance from previous prime (1103110537) and next prime (1103110549).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103110543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1103110543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103110549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253071 + ... + 257392.

It is an arithmetic number, because the mean of its divisors is an integer number (275905792).

Almost surely, 2^1103110543 is an apocalyptic number.

1103110543 is a deficient number, since it is larger than the sum of its proper divisors (512625).

1103110543 is an equidigital number, since it uses as much as digits as its factorization.

1103110543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512624.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1103110543 is about 33213.1079997040. The cubic root of 1103110543 is about 1033.2522154036.

Adding to 1103110543 its reverse (3450113011), we get a palindrome (4553223554).

The spelling of 1103110543 in words is "one billion, one hundred three million, one hundred ten thousand, five hundred forty-three".