561308997059 has 4 divisors (see below), whose sum is σ = 561412355280. Its totient is φ = 561205638840.

The previous prime is 561308997019. The next prime is 561308997061. The reversal of 561308997059 is 950799803165.

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

It is a cyclic number.

It is not a de Polignac number, because 561308997059 - 2¹⁶ = 561308931523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561308996992 and 561308997010.

It is not an unprimeable number, because it can be changed into a prime (561308997019) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 51670964 + ... + 51681825.

It is an arithmetic number, because the mean of its divisors is an integer number (140353088820).

Almost surely, 2^561308997059 is an apocalyptic number.

561308997059 is a deficient number, since it is larger than the sum of its proper divisors (103358221).

561308997059 is a wasteful number, since it uses less digits than its factorization.

561308997059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103358220.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 561308997059 in words is "five hundred sixty-one billion, three hundred eight million, nine hundred ninety-seven thousand, fifty-nine".