11544067543 has 16 divisors (see below), whose sum is σ = 11951089920. Its totient is φ = 11143537600.

The previous prime is 11544067531. The next prime is 11544067553. The reversal of 11544067543 is 34576044511.

It is not a de Polignac number, because 11544067543 - 2²⁵ = 11510513111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11544067496 and 11544067505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544067553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1925196 + ... + 1931182.

It is an arithmetic number, because the mean of its divisors is an integer number (746943120).

Almost surely, 2^11544067543 is an apocalyptic number.

11544067543 is a deficient number, since it is larger than the sum of its proper divisors (407022377).

11544067543 is a wasteful number, since it uses less digits than its factorization.

11544067543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 11544067543 in words is "eleven billion, five hundred forty-four million, sixty-seven thousand, five hundred forty-three".