1100043441 has 24 divisors (see below), whose sum is σ = 1816985664. Its totient is φ = 628236000.

The previous prime is 1100043431. The next prime is 1100043443. The reversal of 1100043441 is 1443400011.

It is not a de Polignac number, because 1100043441 - 2⁵ = 1100043409 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100043443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137935 + ... + 145691.

It is an arithmetic number, because the mean of its divisors is an integer number (75707736).

Almost surely, 2^1100043441 is an apocalyptic number.

It is an amenable number.

1100043441 is a deficient number, since it is larger than the sum of its proper divisors (716942223).

1100043441 is a wasteful number, since it uses less digits than its factorization.

1100043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10021 (or 10018 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1100043441 is about 33166.9027948043. The cubic root of 1100043441 is about 1032.2937041504.

Adding to 1100043441 its reverse (1443400011), we get a palindrome (2543443452).

The spelling of 1100043441 in words is "one billion, one hundred million, forty-three thousand, four hundred forty-one".