561554002528 has 24 divisors (see below), whose sum is σ = 1170592351992. Its totient is φ = 264260706816.

The previous prime is 561554002507. The next prime is 561554002531. The reversal of 561554002528 is 825200455165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516133650 + ... + 516134737.

It is an arithmetic number, because the mean of its divisors is an integer number (48774681333).

Almost surely, 2^561554002528 is an apocalyptic number.

It is an amenable number.

561554002528 is an abundant number, since it is smaller than the sum of its proper divisors (609038349464).

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

561554002528 is a wasteful number, since it uses less digits than its factorization.

561554002528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032268414 (or 1032268406 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 43.

The spelling of 561554002528 in words is "five hundred sixty-one billion, five hundred fifty-four million, two thousand, five hundred twenty-eight".