21532533204522 has 64 divisors (see below), whose sum is σ = 45626878281600. Its totient is φ = 6751072972800.

The previous prime is 21532533204499. The next prime is 21532533204647. The reversal of 21532533204522 is 22540233523512.

It is a happy number.

It is a super-3 number, since 3×21532533204522³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557049504 + ... + 1557063332.

It is an arithmetic number, because the mean of its divisors is an integer number (712919973150).

Almost surely, 2^{21532533204522} is an apocalyptic number.

21532533204522 is an abundant number, since it is smaller than the sum of its proper divisors (24094345077078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21532533204522 is a wasteful number, since it uses less digits than its factorization.

21532533204522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22311.

The product of its (nonzero) digits is 432000, while the sum is 39.

The spelling of 21532533204522 in words is "twenty-one trillion, five hundred thirty-two billion, five hundred thirty-three million, two hundred four thousand, five hundred twenty-two".