115635563 has 2 divisors, whose sum is σ = 115635564. Its totient is φ = 115635562.

The previous prime is 115635551. The next prime is 115635587. The reversal of 115635563 is 365536511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115635563 is a prime.

It is not a weakly prime, because it can be changed into another prime (115635263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57817781 + 57817782.

It is an arithmetic number, because the mean of its divisors is an integer number (57817782).

Almost surely, 2^115635563 is an apocalyptic number.

115635563 is a deficient number, since it is larger than the sum of its proper divisors (1).

115635563 is an equidigital number, since it uses as much as digits as its factorization.

115635563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 35.

The square root of 115635563 is about 10753.3977421092. The cubic root of 115635563 is about 487.1886250055.

The spelling of 115635563 in words is "one hundred fifteen million, six hundred thirty-five thousand, five hundred sixty-three".