561606038512 has 40 divisors (see below), whose sum is σ = 1103241999600. Its totient is φ = 276915082752.

The previous prime is 561606038501. The next prime is 561606038531. The reversal of 561606038512 is 215830606165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19398 + ... + 1059994.

It is an arithmetic number, because the mean of its divisors is an integer number (27581049990).

Almost surely, 2^561606038512 is an apocalyptic number.

It is an amenable number.

561606038512 is a deficient number, since it is larger than the sum of its proper divisors (541635961088).

561606038512 is a wasteful number, since it uses less digits than its factorization.

561606038512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041073 (or 1041067 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The spelling of 561606038512 in words is "five hundred sixty-one billion, six hundred six million, thirty-eight thousand, five hundred twelve".