200533545521 has 16 divisors (see below), whose sum is σ = 213559452288. Its totient is φ = 187644844800.

The previous prime is 200533545503. The next prime is 200533545533. The reversal of 200533545521 is 125545335002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200533545521 is a prime.

It is a super-2 number, since 2×200533545521² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (200533545571) 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, 17012996 + ... + 17024778.

It is an arithmetic number, because the mean of its divisors is an integer number (13347465768).

Almost surely, 2^200533545521 is an apocalyptic number.

It is an amenable number.

200533545521 is a deficient number, since it is larger than the sum of its proper divisors (13025906767).

200533545521 is a wasteful number, since it uses less digits than its factorization.

200533545521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17512.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 200533545521 in words is "two hundred billion, five hundred thirty-three million, five hundred forty-five thousand, five hundred twenty-one".