5561020044444 has 48 divisors (see below), whose sum is σ = 12980826165888. Its totient is φ = 1852943147328.

The previous prime is 5561020044427. The next prime is 5561020044467. The reversal of 5561020044444 is 4444400201655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554046994 + ... + 554057030.

It is an arithmetic number, because the mean of its divisors is an integer number (270433878456).

Almost surely, 2^{5561020044444} is an apocalyptic number.

It is an amenable number.

5561020044444 is an abundant number, since it is smaller than the sum of its proper divisors (7419806121444).

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

5561020044444 is a wasteful number, since it uses less digits than its factorization.

5561020044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23634 (or 23632 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

The spelling of 5561020044444 in words is "five trillion, five hundred sixty-one billion, twenty million, forty-four thousand, four hundred forty-four".