6001561506650 has 24 divisors (see below), whose sum is σ = 11163305724060. Its totient is φ = 2400538296960.

The previous prime is 6001561506643. The next prime is 6001561506679. The reversal of 6001561506650 is 566051651006.

It can be written as a sum of positive squares in 6 ways, for example, as 4393329184729 + 1608232321921 = 2096027^2 + 1268161^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6001561506598 and 6001561506607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 743795 + ... + 3543494.

Almost surely, 2^{6001561506650} is an apocalyptic number.

6001561506650 is a deficient number, since it is larger than the sum of its proper divisors (5161744217410).

6001561506650 is a wasteful number, since it uses less digits than its factorization.

6001561506650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315298 (or 4315293 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 6001561506650 in words is "six trillion, one billion, five hundred sixty-one million, five hundred six thousand, six hundred fifty".