11533304021 has 8 divisors (see below), whose sum is σ = 11586425664. Its totient is φ = 11480253120.

The previous prime is 11533303987. The next prime is 11533304051. The reversal of 11533304021 is 12040333511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11533304021 - 2¹⁴ = 11533287637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533304051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324206 + ... + 358016.

It is an arithmetic number, because the mean of its divisors is an integer number (1448303208).

Almost surely, 2^11533304021 is an apocalyptic number.

It is an amenable number.

11533304021 is a deficient number, since it is larger than the sum of its proper divisors (53121643).

11533304021 is a wasteful number, since it uses less digits than its factorization.

11533304021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35371.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 11533304021 its reverse (12040333511), we get a palindrome (23573637532).

The spelling of 11533304021 in words is "eleven billion, five hundred thirty-three million, three hundred four thousand, twenty-one".