115520331 has 8 divisors (see below), whose sum is σ = 154115280. Its totient is φ = 76969472.

The previous prime is 115520299. The next prime is 115520333. The reversal of 115520331 is 133025511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115520331 - 2⁵ = 115520299 is a prime.

It is a super-2 number, since 2×115520331² = 26689893748699122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115520298 and 115520307.

It is not an unprimeable number, because it can be changed into a prime (115520333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4326 + ... + 15803.

It is an arithmetic number, because the mean of its divisors is an integer number (19264410).

Almost surely, 2^115520331 is an apocalyptic number.

115520331 is a deficient number, since it is larger than the sum of its proper divisors (38594949).

115520331 is a wasteful number, since it uses less digits than its factorization.

115520331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 115520331 is about 10748.0384722051. The cubic root of 115520331 is about 487.0267417681.

Adding to 115520331 its reverse (133025511), we get a palindrome (248545842).

The spelling of 115520331 in words is "one hundred fifteen million, five hundred twenty thousand, three hundred thirty-one".