115215116 has 6 divisors (see below), whose sum is σ = 201626460. Its totient is φ = 57607556.

The previous prime is 115215109. The next prime is 115215131. The reversal of 115215116 is 611512511.

It is a junction number, because it is equal to n+sod(n) for n = 115215091 and 115215100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401886 + ... + 14401893.

It is an arithmetic number, because the mean of its divisors is an integer number (33604410).

Almost surely, 2^115215116 is an apocalyptic number.

It is an amenable number.

115215116 is a deficient number, since it is larger than the sum of its proper divisors (86411344).

115215116 is a wasteful number, since it uses less digits than its factorization.

115215116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28803783 (or 28803781 counting only the distinct ones).

The product of its digits is 300, while the sum is 23.

The square root of 115215116 is about 10733.8304439748. The cubic root of 115215116 is about 486.5974407904.

Adding to 115215116 its reverse (611512511), we get a palindrome (726727627).

The spelling of 115215116 in words is "one hundred fifteen million, two hundred fifteen thousand, one hundred sixteen".