561325061610 has 48 divisors (see below), whose sum is σ = 1460164928040. Its totient is φ = 149612860800.

The previous prime is 561325061587. The next prime is 561325061623. The reversal of 561325061610 is 16160523165.

561325061610 is a `hidden beast` number, since 5 + 6 + 1 + 3 + 25 + 0 + 616 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 558892303281 + 2432758329 = 747591^2 + 49323^2 .

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 in 23 ways as a sum of consecutive naturals, for example, 1354341 + ... + 1719560.

Almost surely, 2^561325061610 is an apocalyptic number.

561325061610 is an abundant number, since it is smaller than the sum of its proper divisors (898839866430).

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

561325061610 is a wasteful number, since it uses less digits than its factorization.

561325061610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075943 (or 3075940 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

Adding to 561325061610 its reverse (16160523165), we get a palindrome (577485584775).

The spelling of 561325061610 in words is "five hundred sixty-one billion, three hundred twenty-five million, sixty-one thousand, six hundred ten".