43361121216 has 112 divisors (see below), whose sum is σ = 131337100800. Its totient is φ = 12367979520.

The previous prime is 43361121211. The next prime is 43361121227. The reversal of 43361121216 is 61212116334.

It is a tau number, because it is divible by the number of its divisors (112).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43361121211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778126 + ... + 831986.

Almost surely, 2^43361121216 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 43361121216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65668550400).

43361121216 is an abundant number, since it is smaller than the sum of its proper divisors (87975979584).

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

43361121216 is a wasteful number, since it uses less digits than its factorization.

43361121216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54482 (or 54472 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The spelling of 43361121216 in words is "forty-three billion, three hundred sixty-one million, one hundred twenty-one thousand, two hundred sixteen".