11134427543 has 4 divisors (see below), whose sum is σ = 11141797968. Its totient is φ = 11127057120.

The previous prime is 11134427537. The next prime is 11134427621. The reversal of 11134427543 is 34572443111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34572443111 = 19 ⋅1819602269.

It is a cyclic number.

It is not a de Polignac number, because 11134427543 - 2⁴ = 11134427527 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 (11134427743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3682946 + ... + 3685967.

It is an arithmetic number, because the mean of its divisors is an integer number (2785449492).

Almost surely, 2^11134427543 is an apocalyptic number.

11134427543 is a deficient number, since it is larger than the sum of its proper divisors (7370425).

11134427543 is an equidigital number, since it uses as much as digits as its factorization.

11134427543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370424.

The product of its digits is 40320, while the sum is 35.

The spelling of 11134427543 in words is "eleven billion, one hundred thirty-four million, four hundred twenty-seven thousand, five hundred forty-three".