11520553412000 has 48 divisors (see below), whose sum is σ = 28305999743112. Its totient is φ = 4608221363200.

The previous prime is 11520553411979. The next prime is 11520553412003. The reversal of 11520553412000 is 21435502511.

It can be written as a sum of positive squares in 4 ways, for example, as 6416514551056 + 5104038860944 = 2533084^2 + 2259212^2 .

It is not an unprimeable number, because it can be changed into a prime (11520553412003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1440065177 + ... + 1440073176.

Almost surely, 2^{11520553412000} is an apocalyptic number.

11520553412000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11520553412000 is an abundant number, since it is smaller than the sum of its proper divisors (16785446331112).

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

11520553412000 is an equidigital number, since it uses as much as digits as its factorization.

11520553412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2880138378 (or 2880138360 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 11520553412000 its reverse (21435502511), we get a palindrome (11541988914511).

The spelling of 11520553412000 in words is "eleven trillion, five hundred twenty billion, five hundred fifty-three million, four hundred twelve thousand".