113213324545 has 4 divisors (see below), whose sum is σ = 135855989460. Its totient is φ = 90570659632.

The previous prime is 113213324531. The next prime is 113213324563. The reversal of 113213324545 is 545423312311.

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 20345028496 + 92868296049 = 142636^2 + 304743^2 .

It is a cyclic number.

It is not a de Polignac number, because 113213324545 - 2⁷ = 113213324417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113213324545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11321332450 + ... + 11321332459.

It is an arithmetic number, because the mean of its divisors is an integer number (33963997365).

Almost surely, 2^113213324545 is an apocalyptic number.

It is an amenable number.

113213324545 is a deficient number, since it is larger than the sum of its proper divisors (22642664915).

113213324545 is an equidigital number, since it uses as much as digits as its factorization.

113213324545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22642664914.

The product of its digits is 43200, while the sum is 34.

Adding to 113213324545 its reverse (545423312311), we get a palindrome (658636636856).

The spelling of 113213324545 in words is "one hundred thirteen billion, two hundred thirteen million, three hundred twenty-four thousand, five hundred forty-five".