561522364242 has 16 divisors (see below), whose sum is σ = 1283479689792. Its totient is φ = 160434961200.

The previous prime is 561522364231. The next prime is 561522364267. The reversal of 561522364242 is 242463225165.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 13369580101 = 561522364242 / (5 + 6 + 1 + 5 + 2 + 2 + 3 + 6 + 4 + 2 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 561522364194 and 561522364203.

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, 6684790009 + ... + 6684790092.

It is an arithmetic number, because the mean of its divisors is an integer number (80217480612).

Almost surely, 2^561522364242 is an apocalyptic number.

561522364242 is an abundant number, since it is smaller than the sum of its proper divisors (721957325550).

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

561522364242 is a wasteful number, since it uses less digits than its factorization.

561522364242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13369580113.

The product of its digits is 691200, while the sum is 42.

The spelling of 561522364242 in words is "five hundred sixty-one billion, five hundred twenty-two million, three hundred sixty-four thousand, two hundred forty-two".