113373554646 has 48 divisors (see below), whose sum is σ = 249483049200. Its totient is φ = 34321351680.

The previous prime is 113373554639. The next prime is 113373554663. The reversal of 113373554646 is 646455373311.

It is a junction number, because it is equal to n+sod(n) for n = 113373554595 and 113373554604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 655150 + ... + 809918.

It is an arithmetic number, because the mean of its divisors is an integer number (5197563525).

Almost surely, 2^113373554646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113373554646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124741524600).

113373554646 is an abundant number, since it is smaller than the sum of its proper divisors (136109494554).

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

113373554646 is a wasteful number, since it uses less digits than its factorization.

113373554646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155805 (or 155794 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The spelling of 113373554646 in words is "one hundred thirteen billion, three hundred seventy-three million, five hundred fifty-four thousand, six hundred forty-six".