115718 has 4 divisors (see below), whose sum is σ = 173580. Its totient is φ = 57858.

The previous prime is 115693. The next prime is 115727. The reversal of 115718 is 817511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 817511 = 103 ⋅7937.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 115693 and 115702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28928 + ... + 28931.

It is an arithmetic number, because the mean of its divisors is an integer number (43395).

2¹¹⁵⁷¹⁸ is an apocalyptic number.

115718 is a deficient number, since it is larger than the sum of its proper divisors (57862).

115718 is an equidigital number, since it uses as much as digits as its factorization.

115718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57861.

The product of its digits is 280, while the sum is 23.

The square root of 115718 is about 340.1734851513. The cubic root of 115718 is about 48.7304370333.

The spelling of 115718 in words is "one hundred fifteen thousand, seven hundred eighteen".