115525305 has 64 divisors (see below), whose sum is σ = 240261120. Its totient is φ = 51565248.

The previous prime is 115525303. The next prime is 115525309. The reversal of 115525305 is 503525511.

It is not a de Polignac number, because 115525305 - 2¹ = 115525303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115525303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39214 + ... + 42056.

It is an arithmetic number, because the mean of its divisors is an integer number (3754080).

Almost surely, 2^115525305 is an apocalyptic number.

115525305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115525305 is an abundant number, since it is smaller than the sum of its proper divisors (124735815).

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

115525305 is a wasteful number, since it uses less digits than its factorization.

115525305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2901 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 115525305 is about 10748.2698607729. The cubic root of 115525305 is about 487.0337316957.

The spelling of 115525305 in words is "one hundred fifteen million, five hundred twenty-five thousand, three hundred five".