11533704517321 has 16 divisors (see below), whose sum is σ = 14004807413760. Its totient is φ = 9278184888720.

The previous prime is 11533704517289. The next prime is 11533704517333. The reversal of 11533704517321 is 12371540733511.

It is a cyclic number.

It is not a de Polignac number, because 11533704517321 - 2⁵ = 11533704517289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11533704517921) 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, 405217465 + ... + 405245926.

It is an arithmetic number, because the mean of its divisors is an integer number (875300463360).

Almost surely, 2^{11533704517321} is an apocalyptic number.

It is an amenable number.

11533704517321 is a deficient number, since it is larger than the sum of its proper divisors (2471102896439).

11533704517321 is a wasteful number, since it uses less digits than its factorization.

11533704517321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810463524.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 11533704517321 in words is "eleven trillion, five hundred thirty-three billion, seven hundred four million, five hundred seventeen thousand, three hundred twenty-one".