1103543041 has 2 divisors, whose sum is σ = 1103543042. Its totient is φ = 1103543040.

The previous prime is 1103543039. The next prime is 1103543071. The reversal of 1103543041 is 1403453011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 739840000 + 363703041 = 27200^2 + 19071^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103543041 - 2¹ = 1103543039 is a prime.

Together with 1103543039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1103543071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551771520 + 551771521.

It is an arithmetic number, because the mean of its divisors is an integer number (551771521).

Almost surely, 2^1103543041 is an apocalyptic number.

It is an amenable number.

1103543041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103543041 is an equidigital number, since it uses as much as digits as its factorization.

1103543041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1103543041 is about 33219.6183150860. The cubic root of 1103543041 is about 1033.3872339441.

Adding to 1103543041 its reverse (1403453011), we get a palindrome (2506996052).

The spelling of 1103543041 in words is "one billion, one hundred three million, five hundred forty-three thousand, forty-one".