1153103443 has 2 divisors, whose sum is σ = 1153103444. Its totient is φ = 1153103442.

The previous prime is 1153103431. The next prime is 1153103447. The reversal of 1153103443 is 3443013511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1153103443 - 2⁵ = 1153103411 is a prime.

It is not a weakly prime, because it can be changed into another prime (1153103447) 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 as a sum of consecutive naturals, namely, 576551721 + 576551722.

It is an arithmetic number, because the mean of its divisors is an integer number (576551722).

Almost surely, 2^1153103443 is an apocalyptic number.

1153103443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153103443 is an equidigital number, since it uses as much as digits as its factorization.

1153103443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1153103443 is about 33957.3768568775. The cubic root of 1153103443 is about 1048.6311544337.

Adding to 1153103443 its reverse (3443013511), we get a palindrome (4596116954).

The spelling of 1153103443 in words is "one billion, one hundred fifty-three million, one hundred three thousand, four hundred forty-three".