11543325612 has 192 divisors, whose sum is σ = 33734077440. Its totient is φ = 2991292416.

The previous prime is 11543325611. The next prime is 11543325617. The reversal of 11543325612 is 21652334511.

It is not an unprimeable number, because it can be changed into a prime (11543325611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17151708 + ... + 17152380.

It is an arithmetic number, because the mean of its divisors is an integer number (175698320).

Almost surely, 2^11543325612 is an apocalyptic number.

11543325612 is a gapful number since it is divisible by the number (12) 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 11543325612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16867038720).

11543325612 is an abundant number, since it is smaller than the sum of its proper divisors (22190751828).

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

11543325612 is a wasteful number, since it uses less digits than its factorization.

11543325612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The spelling of 11543325612 in words is "eleven billion, five hundred forty-three million, three hundred twenty-five thousand, six hundred twelve".