115530563 has 2 divisors, whose sum is σ = 115530564. Its totient is φ = 115530562.

The previous prime is 115530533. The next prime is 115530599. The reversal of 115530563 is 365035511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115530563 - 2¹⁰ = 115529539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115530533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57765281 + 57765282.

It is an arithmetic number, because the mean of its divisors is an integer number (57765282).

Almost surely, 2^115530563 is an apocalyptic number.

115530563 is a deficient number, since it is larger than the sum of its proper divisors (1).

115530563 is an equidigital number, since it uses as much as digits as its factorization.

115530563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 115530563 is about 10748.5144554957. The cubic root of 115530563 is about 487.0411205083.

The spelling of 115530563 in words is "one hundred fifteen million, five hundred thirty thousand, five hundred sixty-three".