11809326048 has 48 divisors (see below), whose sum is σ = 33384059856. Its totient is φ = 3633638400.

The previous prime is 11809326047. The next prime is 11809326059. The reversal of 11809326048 is 84062390811.

11809326048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11809326041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4730053 + ... + 4732548.

It is an arithmetic number, because the mean of its divisors is an integer number (695501247).

Almost surely, 2^11809326048 is an apocalyptic number.

It is an amenable number.

11809326048 is an abundant number, since it is smaller than the sum of its proper divisors (21574733808).

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

11809326048 is a wasteful number, since it uses less digits than its factorization.

11809326048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9462627 (or 9462619 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 11809326048 in words is "eleven billion, eight hundred nine million, three hundred twenty-six thousand, forty-eight".