115520415 has 16 divisors (see below), whose sum is σ = 190795776. Its totient is φ = 59623200.

The previous prime is 115520393. The next prime is 115520417. The reversal of 115520415 is 514025511.

It is not a de Polignac number, because 115520415 - 2⁶ = 115520351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115520417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123751 + ... + 124680.

It is an arithmetic number, because the mean of its divisors is an integer number (11924736).

Almost surely, 2^115520415 is an apocalyptic number.

115520415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115520415 is a deficient number, since it is larger than the sum of its proper divisors (75275361).

115520415 is a wasteful number, since it uses less digits than its factorization.

115520415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248470.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 115520415 is about 10748.0423798941. The cubic root of 115520415 is about 487.0268598144.

Adding to 115520415 its reverse (514025511), we get a palindrome (629545926).

The spelling of 115520415 in words is "one hundred fifteen million, five hundred twenty thousand, four hundred fifteen".