115353503443 has 4 divisors (see below), whose sum is σ = 115373785720. Its totient is φ = 115333221168.

The previous prime is 115353503431. The next prime is 115353503449. The reversal of 115353503443 is 344305353511.

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 115353503443 - 2⁹ = 115353502931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115353503449) 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, 10132605 + ... + 10143982.

It is an arithmetic number, because the mean of its divisors is an integer number (28843446430).

Almost surely, 2^115353503443 is an apocalyptic number.

115353503443 is a deficient number, since it is larger than the sum of its proper divisors (20282277).

115353503443 is an equidigital number, since it uses as much as digits as its factorization.

115353503443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20282276.

The product of its (nonzero) digits is 162000, while the sum is 37.

Adding to 115353503443 its reverse (344305353511), we get a palindrome (459658856954).

The spelling of 115353503443 in words is "one hundred fifteen billion, three hundred fifty-three million, five hundred three thousand, four hundred forty-three".