561602352572 has 24 divisors (see below), whose sum is σ = 986976627840. Its totient is φ = 279609614000.

The previous prime is 561602352569. The next prime is 561602352587. The reversal of 561602352572 is 275253206165.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3891929 + ... + 4033647.

It is an arithmetic number, because the mean of its divisors is an integer number (41124026160).

Almost surely, 2^561602352572 is an apocalyptic number.

It is an amenable number.

561602352572 is a deficient number, since it is larger than the sum of its proper divisors (425374275268).

561602352572 is a wasteful number, since it uses less digits than its factorization.

561602352572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145921 (or 145919 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 561602352572 in words is "five hundred sixty-one billion, six hundred two million, three hundred fifty-two thousand, five hundred seventy-two".