11533652321 has 32 divisors (see below), whose sum is σ = 12538905600. Its totient is φ = 10585935360.

The previous prime is 11533652309. The next prime is 11533652323. The reversal of 11533652321 is 12325633511.

It is a cyclic number.

It is not a de Polignac number, because 11533652321 - 2³⁰ = 10459910497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11533652323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8730341 + ... + 8731661.

It is an arithmetic number, because the mean of its divisors is an integer number (391840800).

Almost surely, 2^11533652321 is an apocalyptic number.

It is an amenable number.

11533652321 is a deficient number, since it is larger than the sum of its proper divisors (1005253279).

11533652321 is a wasteful number, since it uses less digits than its factorization.

11533652321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its digits is 16200, while the sum is 32.

The spelling of 11533652321 in words is "eleven billion, five hundred thirty-three million, six hundred fifty-two thousand, three hundred twenty-one".