1142503544543 has 4 divisors (see below), whose sum is σ = 1142612230368. Its totient is φ = 1142394858720.

The previous prime is 1142503544477. The next prime is 1142503544561. The reversal of 1142503544543 is 3454453052411.

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 1142503544543 - 2²⁴ = 1142486767327 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 1142503544543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142503544573) 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 3 ways as a sum of consecutive naturals, for example, 54327143 + ... + 54348168.

It is an arithmetic number, because the mean of its divisors is an integer number (285653057592).

Almost surely, 2^{1142503544543} is an apocalyptic number.

1142503544543 is a deficient number, since it is larger than the sum of its proper divisors (108685825).

1142503544543 is a wasteful number, since it uses less digits than its factorization.

1142503544543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108685824.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 1142503544543 its reverse (3454453052411), we get a palindrome (4596956596954).

The spelling of 1142503544543 in words is "one trillion, one hundred forty-two billion, five hundred three million, five hundred forty-four thousand, five hundred forty-three".