113043884209 has 4 divisors (see below), whose sum is σ = 113074514800. Its totient is φ = 113013253620.

The previous prime is 113043884203. The next prime is 113043884273. The reversal of 113043884209 is 902488340311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 902488340311 = 536293 ⋅1682827.

It is a cyclic number.

It is not a de Polignac number, because 113043884209 - 2⁹ = 113043883697 is a prime.

It is a super-3 number, since 3×113043884209³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113043884203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15309759 + ... + 15317140.

It is an arithmetic number, because the mean of its divisors is an integer number (28268628700).

Almost surely, 2^113043884209 is an apocalyptic number.

It is an amenable number.

113043884209 is a deficient number, since it is larger than the sum of its proper divisors (30630591).

113043884209 is an equidigital number, since it uses as much as digits as its factorization.

113043884209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30630590.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 113043884209 in words is "one hundred thirteen billion, forty-three million, eight hundred eighty-four thousand, two hundred nine".