115816 has 16 divisors (see below), whose sum is σ = 224640.
Its totient is φ = 55920.
The previous prime is 115811. The next prime is 115823. The reversal of 115816 is 618511.
It can be divided in two parts, 1158 and 16, that multiplied together give a triangular number (18528 = T192).
It is not an unprimeable number, because it can be changed into a prime (115811) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15 + ... + 481.
It is an arithmetic number, because the mean of its divisors is an integer number (14040).
2115816 is an apocalyptic number.
It is an amenable number.
115816 is a deficient number, since it is larger than the sum of its proper divisors (108824).
115816 is a wasteful number, since it uses less digits than its factorization.
115816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 504 (or 500 counting only the distinct ones).
The product of its digits is 240, while the sum is 22.
The square root of 115816 is about 340.3174988154.
The cubic root of 115816 is about 48.7441895332.
The spelling of 115816 in words is "one hundred fifteen thousand, eight hundred sixteen".