113212566546 has 128 divisors (see below), whose sum is σ = 263677317120. Its totient is φ = 32143491072.

The previous prime is 113212566541. The next prime is 113212566547. The reversal of 113212566546 is 645665212311.

It is a junction number, because it is equal to n+sod(n) for n = 113212566498 and 113212566507.

It is not an unprimeable number, because it can be changed into a prime (113212566541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54245515 + ... + 54247601.

It is an arithmetic number, because the mean of its divisors is an integer number (2059979040).

Almost surely, 2^113212566546 is an apocalyptic number.

113212566546 is an abundant number, since it is smaller than the sum of its proper divisors (150464750574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113212566546 is a wasteful number, since it uses less digits than its factorization.

113212566546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368.

The product of its digits is 259200, while the sum is 42.

Adding to 113212566546 its reverse (645665212311), we get a palindrome (758877778857).

The spelling of 113212566546 in words is "one hundred thirteen billion, two hundred twelve million, five hundred sixty-six thousand, five hundred forty-six".