561081008325 has 24 divisors (see below), whose sum is σ = 933345082528. Its totient is φ = 297407350080.

The previous prime is 561081008321. The next prime is 561081008357. The reversal of 561081008325 is 523800180165.

It is not a de Polignac number, because 561081008325 - 2² = 561081008321 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 (561081008321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22935874 + ... + 22960323.

Almost surely, 2^561081008325 is an apocalyptic number.

It is an amenable number.

561081008325 is a deficient number, since it is larger than the sum of its proper divisors (372264074203).

561081008325 is a wasteful number, since it uses less digits than its factorization.

561081008325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45896373 (or 45896368 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 561081008325 in words is "five hundred sixty-one billion, eighty-one million, eight thousand, three hundred twenty-five".