11255443043 has 4 divisors (see below), whose sum is σ = 12121246368. Its totient is φ = 10389639720.

The previous prime is 11255443033. The next prime is 11255443049. The reversal of 11255443043 is 34034455211.

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 11255443043 - 2¹⁰ = 11255442019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11255443049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432901643 + ... + 432901668.

It is an arithmetic number, because the mean of its divisors is an integer number (3030311592).

Almost surely, 2^11255443043 is an apocalyptic number.

11255443043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11255443043 is a deficient number, since it is larger than the sum of its proper divisors (865803325).

11255443043 is an equidigital number, since it uses as much as digits as its factorization.

11255443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865803324.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 11255443043 its reverse (34034455211), we get a palindrome (45289898254).

The spelling of 11255443043 in words is "eleven billion, two hundred fifty-five million, four hundred forty-three thousand, forty-three".