113265656240 has 80 divisors (see below), whose sum is σ = 288007414560. Its totient is φ = 41083637760.

The previous prime is 113265656219. The next prime is 113265656279. The reversal of 113265656240 is 42656562311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187256 + ... + 511464.

It is an arithmetic number, because the mean of its divisors is an integer number (3600092682).

Almost surely, 2^113265656240 is an apocalyptic number.

113265656240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113265656240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144003707280).

113265656240 is an abundant number, since it is smaller than the sum of its proper divisors (174741758320).

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

113265656240 is a wasteful number, since it uses less digits than its factorization.

113265656240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324630 (or 324624 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 113265656240 in words is "one hundred thirteen billion, two hundred sixty-five million, six hundred fifty-six thousand, two hundred forty".