5561322656522 has 4 divisors (see below), whose sum is σ = 8341983984786. Its totient is φ = 2780661328260.

The previous prime is 5561322656507. The next prime is 5561322656563. The reversal of 5561322656522 is 2256562231655.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4618755458641 + 942567197881 = 2149129^2 + 970859^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390330664129 + ... + 1390330664132.

Almost surely, 2^{5561322656522} is an apocalyptic number.

5561322656522 is a deficient number, since it is larger than the sum of its proper divisors (2780661328264).

5561322656522 is a wasteful number, since it uses less digits than its factorization.

5561322656522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780661328263.

The product of its digits is 6480000, while the sum is 50.

The spelling of 5561322656522 in words is "five trillion, five hundred sixty-one billion, three hundred twenty-two million, six hundred fifty-six thousand, five hundred twenty-two".