113446673347681 has 4 divisors (see below), whose sum is σ = 114569907737364. Its totient is φ = 112323438958000.

The previous prime is 113446673347669. The next prime is 113446673347687. The reversal of 113446673347681 is 186743376644311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80586080150625 + 32860593197056 = 8976975^2 + 5732416^2 .

It is a cyclic number.

It is not a de Polignac number, because 113446673347681 - 2⁵ = 113446673347649 is a prime.

It is a super-2 number, since 2×113446673347681² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113446673347687) 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, 561617194690 + ... + 561617194891.

It is an arithmetic number, because the mean of its divisors is an integer number (28642476934341).

Almost surely, 2^{113446673347681} is an apocalyptic number.

It is an amenable number.

113446673347681 is a deficient number, since it is larger than the sum of its proper divisors (1123234389683).

113446673347681 is a wasteful number, since it uses less digits than its factorization.

113446673347681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123234389682.

The product of its digits is 146313216, while the sum is 64.

The spelling of 113446673347681 in words is "one hundred thirteen trillion, four hundred forty-six billion, six hundred seventy-three million, three hundred forty-seven thousand, six hundred eighty-one".