115532519 has 4 divisors (see below), whose sum is σ = 120555696. Its totient is φ = 110509344.

The previous prime is 115532513. The next prime is 115532569. The reversal of 115532519 is 915235511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115532519 - 2⁴ = 115532503 is a prime.

It is a super-2 number, since 2×115532519² = 26695525892970722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115532513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511554 + ... + 2511599.

It is an arithmetic number, because the mean of its divisors is an integer number (30138924).

Almost surely, 2^115532519 is an apocalyptic number.

115532519 is a deficient number, since it is larger than the sum of its proper divisors (5023177).

115532519 is an equidigital number, since it uses as much as digits as its factorization.

115532519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5023176.

The product of its digits is 6750, while the sum is 32.

The square root of 115532519 is about 10748.6054444286. The cubic root of 115532519 is about 487.0438691232.

The spelling of 115532519 in words is "one hundred fifteen million, five hundred thirty-two thousand, five hundred nineteen".