5521544412144 has 40 divisors (see below), whose sum is σ = 14533121619792. Its totient is φ = 1805788108800.

The previous prime is 5521544412113. The next prime is 5521544412157. The reversal of 5521544412144 is 4412144451255.

It is a junction number, because it is equal to n+sod(n) for n = 5521544412096 and 5521544412105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085206657 + ... + 1085211744.

Almost surely, 2^{5521544412144} is an apocalyptic number.

It is an amenable number.

5521544412144 is an abundant number, since it is smaller than the sum of its proper divisors (9011577207648).

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

5521544412144 is a wasteful number, since it uses less digits than its factorization.

5521544412144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170418465 (or 2170418459 counting only the distinct ones).

The product of its digits is 512000, while the sum is 42.

Adding to 5521544412144 its reverse (4412144451255), we get a palindrome (9933688863399).

The spelling of 5521544412144 in words is "five trillion, five hundred twenty-one billion, five hundred forty-four million, four hundred twelve thousand, one hundred forty-four".