11520333121452 has 48 divisors (see below), whose sum is σ = 26914848952320. Its totient is φ = 3835246491648.

The previous prime is 11520333121441. The next prime is 11520333121459. The reversal of 11520333121452 is 25412133302511.

It is a happy number.

11520333121452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11520333121459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32684268 + ... + 33034860.

It is an arithmetic number, because the mean of its divisors is an integer number (560726019840).

Almost surely, 2^{11520333121452} is an apocalyptic number.

11520333121452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520333121452 is an abundant number, since it is smaller than the sum of its proper divisors (15394515830868).

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

11520333121452 is a wasteful number, since it uses less digits than its factorization.

11520333121452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354062 (or 354060 counting only the distinct ones).

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

Adding to 11520333121452 its reverse (25412133302511), we get a palindrome (36932466423963).

The spelling of 11520333121452 in words is "eleven trillion, five hundred twenty billion, three hundred thirty-three million, one hundred twenty-one thousand, four hundred fifty-two".