561502324752 has 80 divisors (see below), whose sum is σ = 1456865326080. Its totient is φ = 186353904256.

The previous prime is 561502324739. The next prime is 561502324763. The reversal of 561502324752 is 257423205165.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11123923 + ... + 11174285.

It is an arithmetic number, because the mean of its divisors is an integer number (18210816576).

Almost surely, 2^561502324752 is an apocalyptic number.

It is an amenable number.

561502324752 is an abundant number, since it is smaller than the sum of its proper divisors (895363001328).

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

561502324752 is a wasteful number, since it uses less digits than its factorization.

561502324752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51380 (or 51374 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 561502324752 in words is "five hundred sixty-one billion, five hundred two million, three hundred twenty-four thousand, seven hundred fifty-two".