561796485725 has 12 divisors (see below), whose sum is σ = 707025071904. Its totient is φ = 442729169520.

The previous prime is 561796485721. The next prime is 561796485781. The reversal of 561796485725 is 527584697165.

It is not a de Polignac number, because 561796485725 - 2² = 561796485721 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 (561796485721) 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 11 ways as a sum of consecutive naturals, for example, 167698769 + ... + 167702118.

It is an arithmetic number, because the mean of its divisors is an integer number (58918755992).

Almost surely, 2^561796485725 is an apocalyptic number.

It is an amenable number.

561796485725 is a deficient number, since it is larger than the sum of its proper divisors (145228586179).

561796485725 is a wasteful number, since it uses less digits than its factorization.

561796485725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335400964 (or 335400959 counting only the distinct ones).

The product of its digits is 127008000, while the sum is 65.

The spelling of 561796485725 in words is "five hundred sixty-one billion, seven hundred ninety-six million, four hundred eighty-five thousand, seven hundred twenty-five".