11520643613352 has 16 divisors (see below), whose sum is σ = 28801609033440. Its totient is φ = 3840214537776.

The previous prime is 11520643613299. The next prime is 11520643613393. The reversal of 11520643613352 is 25331634602511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240013408588 + ... + 240013408635.

It is an arithmetic number, because the mean of its divisors is an integer number (1800100564590).

Almost surely, 2^{11520643613352} is an apocalyptic number.

11520643613352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11520643613352 is an abundant number, since it is smaller than the sum of its proper divisors (17280965420088).

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

11520643613352 is a wasteful number, since it uses less digits than its factorization.

11520643613352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480026817232 (or 480026817228 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 11520643613352 in words is "eleven trillion, five hundred twenty billion, six hundred forty-three million, six hundred thirteen thousand, three hundred fifty-two".