115992563 has 2 divisors, whose sum is σ = 115992564. Its totient is φ = 115992562.

The previous prime is 115992559. The next prime is 115992599. The reversal of 115992563 is 365299511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115992563 - 2² = 115992559 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115992563.

It is not a weakly prime, because it can be changed into another prime (115992263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57996281 + 57996282.

It is an arithmetic number, because the mean of its divisors is an integer number (57996282).

Almost surely, 2^115992563 is an apocalyptic number.

115992563 is a deficient number, since it is larger than the sum of its proper divisors (1).

115992563 is an equidigital number, since it uses as much as digits as its factorization.

115992563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72900, while the sum is 41.

The square root of 115992563 is about 10769.9843546776. The cubic root of 115992563 is about 487.6894734015.

The spelling of 115992563 in words is "one hundred fifteen million, nine hundred ninety-two thousand, five hundred sixty-three".