5561215570 has 16 divisors (see below), whose sum is σ = 10017905688. Its totient is φ = 2222771200.

The previous prime is 5561215567. The next prime is 5561215571. The reversal of 5561215570 is 755121655.

It can be written as a sum of positive squares in 4 ways, for example, as 1211944969 + 4349270601 = 34813^2 + 65949^2 .

It is not an unprimeable number, because it can be changed into a prime (5561215571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200719 + ... + 226738.

Almost surely, 2^5561215570 is an apocalyptic number.

5561215570 is a deficient number, since it is larger than the sum of its proper divisors (4456690118).

5561215570 is a wasteful number, since it uses less digits than its factorization.

5561215570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428765.

The product of its (nonzero) digits is 52500, while the sum is 37.

The square root of 5561215570 is about 74573.5581154607. The cubic root of 5561215570 is about 1771.6988774465.

The spelling of 5561215570 in words is "five billion, five hundred sixty-one million, two hundred fifteen thousand, five hundred seventy".