11042554123543 has 4 divisors (see below), whose sum is σ = 11042713081000. Its totient is φ = 11042395166088.

The previous prime is 11042554123541. The next prime is 11042554123553. The reversal of 11042554123543 is 34532145524011.

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 11042554123543 - 2¹ = 11042554123541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11042554123496 and 11042554123505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042554123541) 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, 79374480 + ... + 79513477.

It is an arithmetic number, because the mean of its divisors is an integer number (2760678270250).

Almost surely, 2^{11042554123543} is an apocalyptic number.

11042554123543 is a deficient number, since it is larger than the sum of its proper divisors (158957457).

11042554123543 is an equidigital number, since it uses as much as digits as its factorization.

11042554123543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158957456.

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 11042554123543 its reverse (34532145524011), we get a palindrome (45574699647554).

The spelling of 11042554123543 in words is "eleven trillion, forty-two billion, five hundred fifty-four million, one hundred twenty-three thousand, five hundred forty-three".