115564363 has 4 divisors (see below), whose sum is σ = 118383048. Its totient is φ = 112745680.

The previous prime is 115564343. The next prime is 115564381. The reversal of 115564363 is 363465511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363465511 = 61 ⋅5958451.

It is a cyclic number.

It is not a de Polignac number, because 115564363 - 2¹³ = 115556171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115564343) 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 in 3 ways as a sum of consecutive naturals, for example, 1409281 + ... + 1409362.

It is an arithmetic number, because the mean of its divisors is an integer number (29595762).

Almost surely, 2^115564363 is an apocalyptic number.

115564363 is a deficient number, since it is larger than the sum of its proper divisors (2818685).

115564363 is an equidigital number, since it uses as much as digits as its factorization.

115564363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818684.

The product of its digits is 32400, while the sum is 34.

The square root of 115564363 is about 10750.0866508136. The cubic root of 115564363 is about 487.0886126591.

The spelling of 115564363 in words is "one hundred fifteen million, five hundred sixty-four thousand, three hundred sixty-three".