11445503212000 has 384 divisors, whose sum is σ = 33052955644800. Its totient is φ = 3840104448000.

The previous prime is 11445503211931. The next prime is 11445503212021. The reversal of 11445503212000 is 21230554411.

11445503212000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11445503212000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2155865346 + ... + 2155870654.

It is an arithmetic number, because the mean of its divisors is an integer number (86075405325).

Almost surely, 2^{11445503212000} is an apocalyptic number.

11445503212000 is a gapful number since it is divisible by the number (10) 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 11445503212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16526477822400).

11445503212000 is an abundant number, since it is smaller than the sum of its proper divisors (21607452432800).

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

11445503212000 is a wasteful number, since it uses less digits than its factorization.

11445503212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9127 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11445503212000 its reverse (21230554411), we get a palindrome (11466733766411).

The spelling of 11445503212000 in words is "eleven trillion, four hundred forty-five billion, five hundred three million, two hundred twelve thousand".