5561215572 has 48 divisors (see below), whose sum is σ = 14160384000. Its totient is φ = 1684673760.

The previous prime is 5561215571. The next prime is 5561215577. The reversal of 5561215572 is 2755121655.

It is a self number, because there is not a number n which added to its sum of digits gives 5561215572.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 629079 + ... + 637857.

It is an arithmetic number, because the mean of its divisors is an integer number (295008000).

Almost surely, 2^5561215572 is an apocalyptic number.

It is an amenable number.

5561215572 is an abundant number, since it is smaller than the sum of its proper divisors (8599168428).

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

5561215572 is a wasteful number, since it uses less digits than its factorization.

5561215572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13596 (or 13594 counting only the distinct ones).

The product of its digits is 105000, while the sum is 39.

The square root of 5561215572 is about 74573.5581288703. The cubic root of 5561215572 is about 1771.6988776589.

The spelling of 5561215572 in words is "five billion, five hundred sixty-one million, two hundred fifteen thousand, five hundred seventy-two".