115615000 has 80 divisors (see below), whose sum is σ = 285377400. Its totient is φ = 43776000.

The previous prime is 115614953. The next prime is 115615009. The reversal of 115615000 is 516511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115615009) 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 19 ways as a sum of consecutive naturals, for example, 94392 + ... + 95608.

Almost surely, 2^115615000 is an apocalyptic number.

115615000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115615000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142688700).

115615000 is an abundant number, since it is smaller than the sum of its proper divisors (169762400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115615000 is a wasteful number, since it uses less digits than its factorization.

115615000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262 (or 1243 counting only the distinct ones).

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

The square root of 115615000 is about 10752.4415831940. The cubic root of 115615000 is about 487.1597450389.

It can be divided in two parts, 11561 and 5000, that added together give a palindrome (16561).

The spelling of 115615000 in words is "one hundred fifteen million, six hundred fifteen thousand".