115300018 has 24 divisors (see below), whose sum is σ = 193410000. Its totient is φ = 51398208.

The previous prime is 115299997. The next prime is 115300033. The reversal of 115300018 is 810003511.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 115299968 and 115300004.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5733 + ... + 16231.

It is an arithmetic number, because the mean of its divisors is an integer number (8058750).

Almost surely, 2^115300018 is an apocalyptic number.

115300018 is a deficient number, since it is larger than the sum of its proper divisors (78109982).

115300018 is a wasteful number, since it uses less digits than its factorization.

115300018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554 (or 10537 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 115300018 is about 10737.7845945986. The cubic root of 115300018 is about 486.7169359679.

Adding to 115300018 its reverse (810003511), we get a palindrome (925303529).

The spelling of 115300018 in words is "one hundred fifteen million, three hundred thousand, eighteen".