115005216 has 24 divisors (see below), whose sum is σ = 301888944. Its totient is φ = 38335040.

The previous prime is 115005211. The next prime is 115005223. The reversal of 115005216 is 612500511.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 115005192 and 115005201.

It is not an unprimeable number, because it can be changed into a prime (115005211) 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, 598890 + ... + 599081.

It is an arithmetic number, because the mean of its divisors is an integer number (12578706).

Almost surely, 2^115005216 is an apocalyptic number.

115005216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

115005216 is an abundant number, since it is smaller than the sum of its proper divisors (186883728).

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

115005216 is a wasteful number, since it uses less digits than its factorization.

115005216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197984 (or 1197976 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 115005216 is about 10724.0484892600. The cubic root of 115005216 is about 486.3017652060.

Adding to 115005216 its reverse (612500511), we get a palindrome (727505727).

The spelling of 115005216 in words is "one hundred fifteen million, five thousand, two hundred sixteen".