561680767012 has 6 divisors (see below), whose sum is σ = 982941342278. Its totient is φ = 280840383504.

The previous prime is 561680767009. The next prime is 561680767061. The reversal of 561680767012 is 210767086165.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 410183887936 + 151496879076 = 640456^2 + 389226^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70210095873 + ... + 70210095880.

Almost surely, 2^561680767012 is an apocalyptic number.

It is an amenable number.

561680767012 is a deficient number, since it is larger than the sum of its proper divisors (421260575266).

561680767012 is a wasteful number, since it uses less digits than its factorization.

561680767012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140420191757 (or 140420191755 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 561680767012 in words is "five hundred sixty-one billion, six hundred eighty million, seven hundred sixty-seven thousand, twelve".