11843859456 has 792 divisors, whose sum is σ = 43603720160. Its totient is φ = 3065610240.

The previous prime is 11843859439. The next prime is 11843859457. The reversal of 11843859456 is 65495834811.

It is a happy number.

11843859456 is a `hidden beast` number, since 1 + 1 + 8 + 43 + 8 + 594 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (792).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11843859457) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 275438571 + ... + 275438613.

Almost surely, 2^11843859456 is an apocalyptic number.

11843859456 is a gapful number since it is divisible by the number (16) 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 11843859456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21801860080).

11843859456 is an abundant number, since it is smaller than the sum of its proper divisors (31759860704).

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

11843859456 is a wasteful number, since it uses less digits than its factorization.

11843859456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 91 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The spelling of 11843859456 in words is "eleven billion, eight hundred forty-three million, eight hundred fifty-nine thousand, four hundred fifty-six".