11543432441 has 8 divisors (see below), whose sum is σ = 12046454784. Its totient is φ = 11040504640.

The previous prime is 11543432413. The next prime is 11543432443. The reversal of 11543432441 is 14423434511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11543432441 - 2¹⁴ = 11543416057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11543432398 and 11543432407.

It is not an unprimeable number, because it can be changed into a prime (11543432443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355361 + ... + 386481.

It is an arithmetic number, because the mean of its divisors is an integer number (1505806848).

Almost surely, 2^11543432441 is an apocalyptic number.

It is an amenable number.

11543432441 is a deficient number, since it is larger than the sum of its proper divisors (503022343).

11543432441 is a wasteful number, since it uses less digits than its factorization.

11543432441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47271.

The product of its digits is 23040, while the sum is 32.

Adding to 11543432441 its reverse (14423434511), we get a palindrome (25966866952).

The spelling of 11543432441 in words is "eleven billion, five hundred forty-three million, four hundred thirty-two thousand, four hundred forty-one".