115521356 has 12 divisors (see below), whose sum is σ = 202354992. Its totient is φ = 57705648.

The previous prime is 115521319. The next prime is 115521379. The reversal of 115521356 is 653125511.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840 + ... + 17583.

It is an arithmetic number, because the mean of its divisors is an integer number (16862916).

Almost surely, 2^115521356 is an apocalyptic number.

It is an amenable number.

115521356 is a deficient number, since it is larger than the sum of its proper divisors (86833636).

115521356 is a wasteful number, since it uses less digits than its factorization.

115521356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27520 (or 27518 counting only the distinct ones).

The product of its digits is 4500, while the sum is 29.

The square root of 115521356 is about 10748.0861552185. The cubic root of 115521356 is about 487.0281822099.

Adding to 115521356 its reverse (653125511), we get a palindrome (768646867).

The spelling of 115521356 in words is "one hundred fifteen million, five hundred twenty-one thousand, three hundred fifty-six".