115521084 has 72 divisors (see below), whose sum is σ = 334894560. Its totient is φ = 32890752.

The previous prime is 115521061. The next prime is 115521089. The reversal of 115521084 is 480125511.

115521084 is a `hidden beast` number, since 1 + 1 + 552 + 108 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115521089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93382 + ... + 94610.

Almost surely, 2^115521084 is an apocalyptic number.

115521084 is a gapful number since it is divisible by the number (14) 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 115521084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167447280).

115521084 is an abundant number, since it is smaller than the sum of its proper divisors (219373476).

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

115521084 is a wasteful number, since it uses less digits than its factorization.

115521084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619 (or 1614 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 115521084 is about 10748.0735017956. The cubic root of 115521084 is about 487.0277999666.

Adding to 115521084 its reverse (480125511), we get a palindrome (595646595).

The spelling of 115521084 in words is "one hundred fifteen million, five hundred twenty-one thousand, eighty-four".