11844138204 has 72 divisors (see below), whose sum is σ = 31801009968. Its totient is φ = 3704025600.

The previous prime is 11844138203. The next prime is 11844138209. The reversal of 11844138204 is 40283144811.

It is a happy number.

11844138204 is a `hidden beast` number, since 1 + 1 + 8 + 441 + 3 + 8 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11844138203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163479 + ... + 224529.

It is an arithmetic number, because the mean of its divisors is an integer number (441680694).

Almost surely, 2^11844138204 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 11844138204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15900504984).

11844138204 is an abundant number, since it is smaller than the sum of its proper divisors (19956871764).

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

11844138204 is a wasteful number, since it uses less digits than its factorization.

11844138204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61395 (or 61390 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The spelling of 11844138204 in words is "eleven billion, eight hundred forty-four million, one hundred thirty-eight thousand, two hundred four".