1155443041 has 2 divisors, whose sum is σ = 1155443042. Its totient is φ = 1155443040.

The previous prime is 1155443011. The next prime is 1155443059. The reversal of 1155443041 is 1403445511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 896104225 + 259338816 = 29935^2 + 16104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1155443041 - 2⁹ = 1155442529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1155443011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577721520 + 577721521.

It is an arithmetic number, because the mean of its divisors is an integer number (577721521).

Almost surely, 2^1155443041 is an apocalyptic number.

It is an amenable number.

1155443041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1155443041 is an equidigital number, since it uses as much as digits as its factorization.

1155443041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1155443041 is about 33991.8084396815. The cubic root of 1155443041 is about 1049.3398847069.

Adding to 1155443041 its reverse (1403445511), we get a palindrome (2558888552).

The spelling of 1155443041 in words is "one billion, one hundred fifty-five million, four hundred forty-three thousand, forty-one".