115306563 has 8 divisors (see below), whose sum is σ = 162785808. Its totient is φ = 72349184.

The previous prime is 115306561. The next prime is 115306571. The reversal of 115306563 is 365603511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115306563 - 2¹ = 115306561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115306563.

It is not an unprimeable number, because it can be changed into a prime (115306561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1130406 + ... + 1130507.

It is an arithmetic number, because the mean of its divisors is an integer number (20348226).

Almost surely, 2^115306563 is an apocalyptic number.

115306563 is a deficient number, since it is larger than the sum of its proper divisors (47479245).

115306563 is a wasteful number, since it uses less digits than its factorization.

115306563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2260933.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 115306563 is about 10738.0893551879. The cubic root of 115306563 is about 486.7261452815.

The spelling of 115306563 in words is "one hundred fifteen million, three hundred six thousand, five hundred sixty-three".