115543303 has 2 divisors, whose sum is σ = 115543304. Its totient is φ = 115543302.

The previous prime is 115543261. The next prime is 115543321. The reversal of 115543303 is 303345511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115543303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115543403) 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, 57771651 + 57771652.

It is an arithmetic number, because the mean of its divisors is an integer number (57771652).

Almost surely, 2^115543303 is an apocalyptic number.

115543303 is a deficient number, since it is larger than the sum of its proper divisors (1).

115543303 is an equidigital number, since it uses as much as digits as its factorization.

115543303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 115543303 is about 10749.1070791950. The cubic root of 115543303 is about 487.0590224835.

Adding to 115543303 its reverse (303345511), we get a palindrome (418888814).

The spelling of 115543303 in words is "one hundred fifteen million, five hundred forty-three thousand, three hundred three".