11943477144 has 192 divisors, whose sum is σ = 33611760000. Its totient is φ = 3829625856.

The previous prime is 11943477107. The next prime is 11943477157. The reversal of 11943477144 is 44177434911.

11943477144 is a `hidden beast` number, since 1 + 1 + 9 + 434 + 77 + 144 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11943477144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66723247 + ... + 66723425.

It is an arithmetic number, because the mean of its divisors is an integer number (175061250).

Almost surely, 2^11943477144 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 11943477144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16805880000).

11943477144 is an abundant number, since it is smaller than the sum of its proper divisors (21668282856).

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

11943477144 is a wasteful number, since it uses less digits than its factorization.

11943477144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 495 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 11943477144 in words is "eleven billion, nine hundred forty-three million, four hundred seventy-seven thousand, one hundred forty-four".