5661651515056 has 10 divisors (see below), whose sum is σ = 10969449810452. Its totient is φ = 2830825757520.

The previous prime is 5661651515033. The next prime is 5661651515059. The reversal of 5661651515056 is 6505151561665.

It is a junction number, because it is equal to n+sod(n) for n = 5661651514994 and 5661651515012.

It is not an unprimeable number, because it can be changed into a prime (5661651515059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176926609830 + ... + 176926609861.

Almost surely, 2^{5661651515056} is an apocalyptic number.

It is an amenable number.

5661651515056 is a deficient number, since it is larger than the sum of its proper divisors (5307798295396).

5661651515056 is a wasteful number, since it uses less digits than its factorization.

5661651515056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353853219699 (or 353853219693 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 52.

The spelling of 5661651515056 in words is "five trillion, six hundred sixty-one billion, six hundred fifty-one million, five hundred fifteen thousand, fifty-six".