113220456673 has 16 divisors (see below), whose sum is σ = 121471483392. Its totient is φ = 105266304000.

The previous prime is 113220456647. The next prime is 113220456697. The reversal of 113220456673 is 376654022311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113220456673 - 2²¹ = 113218359521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113220453673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34033 + ... + 477073.

It is an arithmetic number, because the mean of its divisors is an integer number (7591967712).

Almost surely, 2^113220456673 is an apocalyptic number.

It is an amenable number.

113220456673 is a deficient number, since it is larger than the sum of its proper divisors (8251026719).

113220456673 is a wasteful number, since it uses less digits than its factorization.

113220456673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443376.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 113220456673 its reverse (376654022311), we get a palindrome (489874478984).

The spelling of 113220456673 in words is "one hundred thirteen billion, two hundred twenty million, four hundred fifty-six thousand, six hundred seventy-three".