115615 has 8 divisors (see below), whose sum is σ = 146160. Its totient is φ = 87552.

The previous prime is 115613. The next prime is 115631. The reversal of 115615 is 516511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115615 - 2¹ = 115613 is a prime.

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

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 115592 and 115601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 703.

It is an arithmetic number, because the mean of its divisors is an integer number (18270).

2¹¹⁵⁶¹⁵ is an apocalyptic number.

115615 is a deficient number, since it is larger than the sum of its proper divisors (30545).

115615 is a wasteful number, since it uses less digits than its factorization.

115615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241.

The product of its digits is 150, while the sum is 19.

The square root of 115615 is about 340.0220581080. The cubic root of 115615 is about 48.7159745039.

The spelling of 115615 in words is "one hundred fifteen thousand, six hundred fifteen".