1105043043 has 16 divisors (see below), whose sum is σ = 1587326720. Its totient is φ = 679770144.

The previous prime is 1105043041. The next prime is 1105043063. The reversal of 1105043043 is 3403405011.

It is not a de Polignac number, because 1105043043 - 2¹ = 1105043041 is a prime.

It is a super-2 number, since 2×1105043043² = 2442240253765399698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105043041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188328 + ... + 194106.

It is an arithmetic number, because the mean of its divisors is an integer number (99207920).

Almost surely, 2^1105043043 is an apocalyptic number.

1105043043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1105043043 is a deficient number, since it is larger than the sum of its proper divisors (482283677).

1105043043 is a wasteful number, since it uses less digits than its factorization.

1105043043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1105043043 is about 33242.1876987662. The cubic root of 1105043043 is about 1033.8552359667.

Adding to 1105043043 its reverse (3403405011), we get a palindrome (4508448054).

The spelling of 1105043043 in words is "one billion, one hundred five million, forty-three thousand, forty-three".