115015424 has 36 divisors (see below), whose sum is σ = 232390536. Its totient is φ = 56804352.

The previous prime is 115015403. The next prime is 115015427. The reversal of 115015424 is 424510511.

It is a self number, because there is not a number n which added to its sum of digits gives 115015424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115015427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18542 + ... + 23954.

Almost surely, 2^115015424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115015424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116195268).

115015424 is an abundant number, since it is smaller than the sum of its proper divisors (117375112).

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

115015424 is an frugal number, since it uses more digits than its factorization.

115015424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5498 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 115015424 is about 10724.5244183600. The cubic root of 115015424 is about 486.3161530217.

Adding to 115015424 its reverse (424510511), we get a palindrome (539525935).

The spelling of 115015424 in words is "one hundred fifteen million, fifteen thousand, four hundred twenty-four".