113388209088 has 448 divisors, whose sum is σ = 380680667136. Its totient is φ = 28933632000.

The previous prime is 113388209041. The next prime is 113388209107. The reversal of 113388209088 is 880902883311.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 113388209088.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 245961178 + ... + 245961638.

It is an arithmetic number, because the mean of its divisors is an integer number (849733632).

Almost surely, 2^113388209088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113388209088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190340333568).

113388209088 is an abundant number, since it is smaller than the sum of its proper divisors (267292458048).

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

113388209088 is a wasteful number, since it uses less digits than its factorization.

113388209088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 113388209088 in words is "one hundred thirteen billion, three hundred eighty-eight million, two hundred nine thousand, eighty-eight".