115487563 has 4 divisors (see below), whose sum is σ = 115699240. Its totient is φ = 115275888.

The previous prime is 115487549. The next prime is 115487569. The reversal of 115487563 is 365784511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115487563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115487569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105018 + ... + 106111.

It is an arithmetic number, because the mean of its divisors is an integer number (28924810).

Almost surely, 2^115487563 is an apocalyptic number.

115487563 is a deficient number, since it is larger than the sum of its proper divisors (211677).

115487563 is an equidigital number, since it uses as much as digits as its factorization.

115487563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211676.

The product of its digits is 100800, while the sum is 40.

The square root of 115487563 is about 10746.5139929188. The cubic root of 115487563 is about 486.9806881101.

The spelling of 115487563 in words is "one hundred fifteen million, four hundred eighty-seven thousand, five hundred sixty-three".