115885481 has 8 divisors (see below), whose sum is σ = 123918984. Its totient is φ = 107987200.

The previous prime is 115885463. The next prime is 115885487. The reversal of 115885481 is 184588511.

It can be written as a sum of positive squares in 4 ways, for example, as 90079081 + 25806400 = 9491^2 + 5080^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115885481 is a prime.

It is a super-2 number, since 2×115885481² = 26858889413202722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115885487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32030 + ... + 35463.

It is an arithmetic number, because the mean of its divisors is an integer number (15489873).

Almost surely, 2^115885481 is an apocalyptic number.

It is an amenable number.

115885481 is a deficient number, since it is larger than the sum of its proper divisors (8033503).

115885481 is a wasteful number, since it uses less digits than its factorization.

115885481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67611.

The product of its digits is 51200, while the sum is 41.

The square root of 115885481 is about 10765.0118903789. The cubic root of 115885481 is about 487.5393521597.

The spelling of 115885481 in words is "one hundred fifteen million, eight hundred eighty-five thousand, four hundred eighty-one".