10133033531521 has 4 divisors (see below), whose sum is σ = 10175431161600. Its totient is φ = 10090635901444.

The previous prime is 10133033531519. The next prime is 10133033531563. The reversal of 10133033531521 is 12513533033101.

It is a happy number.

10133033531521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10133033531521 - 2¹ = 10133033531519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10133033531321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21198814681 + ... + 21198815158.

It is an arithmetic number, because the mean of its divisors is an integer number (2543857790400).

Almost surely, 2^{10133033531521} is an apocalyptic number.

It is an amenable number.

10133033531521 is a deficient number, since it is larger than the sum of its proper divisors (42397630079).

10133033531521 is an equidigital number, since it uses as much as digits as its factorization.

10133033531521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42397630078.

The product of its (nonzero) digits is 12150, while the sum is 31.

Adding to 10133033531521 its reverse (12513533033101), we get a palindrome (22646566564622).

The spelling of 10133033531521 in words is "ten trillion, one hundred thirty-three billion, thirty-three million, five hundred thirty-one thousand, five hundred twenty-one".