5521560005621 has 16 divisors (see below), whose sum is σ = 6218317824000. Its totient is φ = 4857294049200.

The previous prime is 5521560005587. The next prime is 5521560005623. The reversal of 5521560005621 is 1265000651255.

5521560005621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 5521560005621 - 2⁶ = 5521560005557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521560005623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731900 + ... + 4997018.

It is an arithmetic number, because the mean of its divisors is an integer number (388644864000).

Almost surely, 2^{5521560005621} is an apocalyptic number.

It is an amenable number.

5521560005621 is a deficient number, since it is larger than the sum of its proper divisors (696757818379).

5521560005621 is a wasteful number, since it uses less digits than its factorization.

5521560005621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277960.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 5521560005621 its reverse (1265000651255), we get a palindrome (6786560656876).

The spelling of 5521560005621 in words is "five trillion, five hundred twenty-one billion, five hundred sixty million, five thousand, six hundred twenty-one".