11522915712 has 1024 divisors, whose sum is σ = 46531584000. Its totient is φ = 2717245440.

The previous prime is 11522915711. The next prime is 11522915713. The reversal of 11522915712 is 21751922511.

11522915712 is a `hidden beast` number, since 11 + 52 + 29 + 1 + 571 + 2 = 666.

11522915712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11522915711) and next prime (11522915713).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522915711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 217413478 + ... + 217413530.

It is an arithmetic number, because the mean of its divisors is an integer number (45441000).

Almost surely, 2^11522915712 is an apocalyptic number.

11522915712 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 11522915712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23265792000).

11522915712 is an abundant number, since it is smaller than the sum of its proper divisors (35008668288).

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

11522915712 is a wasteful number, since it uses less digits than its factorization.

11522915712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 138 counting only the distinct ones).

The product of its digits is 12600, while the sum is 36.

The spelling of 11522915712 in words is "eleven billion, five hundred twenty-two million, nine hundred fifteen thousand, seven hundred twelve".