115435543 has 4 divisors (see below), whose sum is σ = 115563168. Its totient is φ = 115307920.

The previous prime is 115435531. The next prime is 115435549. The reversal of 115435543 is 345534511.

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 115435543 - 2¹⁷ = 115304471 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115435549) 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 3 ways as a sum of consecutive naturals, for example, 62446 + ... + 64267.

It is an arithmetic number, because the mean of its divisors is an integer number (28890792).

Almost surely, 2^115435543 is an apocalyptic number.

115435543 is a deficient number, since it is larger than the sum of its proper divisors (127625).

115435543 is an equidigital number, since it uses as much as digits as its factorization.

115435543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127624.

The product of its digits is 18000, while the sum is 31.

The square root of 115435543 is about 10744.0934005620. The cubic root of 115435543 is about 486.9075589081.

The spelling of 115435543 in words is "one hundred fifteen million, four hundred thirty-five thousand, five hundred forty-three".