11520515016036 has 144 divisors (see below), whose sum is σ = 32624081380800. Its totient is φ = 3403419215616.

The previous prime is 11520515016029. The next prime is 11520515016041. The reversal of 11520515016036 is 63061051502511.

11520515016036 is a `hidden beast` number, since 1 + 1 + 52 + 0 + 515 + 0 + 1 + 60 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58315 + ... + 4800461.

It is an arithmetic number, because the mean of its divisors is an integer number (226556120700).

Almost surely, 2^{11520515016036} 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 11520515016036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16312040690400).

11520515016036 is an abundant number, since it is smaller than the sum of its proper divisors (21103566364764).

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

11520515016036 is a wasteful number, since it uses less digits than its factorization.

11520515016036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4742378 (or 4742373 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

Adding to 11520515016036 its reverse (63061051502511), we get a palindrome (74581566518547).

The spelling of 11520515016036 in words is "eleven trillion, five hundred twenty billion, five hundred fifteen million, sixteen thousand, thirty-six".