113359482721 has 3 divisors (see below), whose sum is σ = 113359819411. Its totient is φ = 113359146032.

The previous prime is 113359482707. The next prime is 113359482727. The reversal of 113359482721 is 127284953311.

The square root of 113359482721 is 336689.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 127284953311 = 19 ⋅6699208069.

It can be written as a sum of positive squares in only one way, i.e., 112970604321 + 388878400 = 336111^2 + 19720^2 .

It is a de Polignac number, because none of the positive numbers 2^k-113359482721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113359482727) 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 2 ways as a sum of consecutive naturals, for example, 168345 + ... + 505033.

Almost surely, 2^113359482721 is an apocalyptic number.

113359482721 is the 336689-th square number.

113359482721 is the 168345-th centered octagonal number.

It is an amenable number.

113359482721 is a deficient number, since it is larger than the sum of its proper divisors (336690).

113359482721 is an frugal number, since it uses more digits than its factorization.

113359482721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673378 (or 336689 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 113359482721 in words is "one hundred thirteen billion, three hundred fifty-nine million, four hundred eighty-two thousand, seven hundred twenty-one".