5565321012 has 12 divisors (see below), whose sum is σ = 12985749056. Its totient is φ = 1855107000.

The previous prime is 5565321007. The next prime is 5565321023. The reversal of 5565321012 is 2101235655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231888364 + ... + 231888387.

Almost surely, 2^5565321012 is an apocalyptic number.

It is an amenable number.

5565321012 is an abundant number, since it is smaller than the sum of its proper divisors (7420428044).

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

5565321012 is a wasteful number, since it uses less digits than its factorization.

5565321012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463776758 (or 463776756 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 5565321012 is about 74601.0791610953. The cubic root of 5565321012 is about 1772.1347424576.

Adding to 5565321012 its reverse (2101235655), we get a palindrome (7666556667).

The spelling of 5565321012 in words is "five billion, five hundred sixty-five million, three hundred twenty-one thousand, twelve".