536560321561 has 8 divisors (see below), whose sum is σ = 585455965344. Its totient is φ = 487684249920.

The previous prime is 536560321541. The next prime is 536560321607. The reversal of 536560321561 is 165123065635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 536560321561 - 2¹³ = 536560313369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536560321541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4835680 + ... + 4945393.

It is an arithmetic number, because the mean of its divisors is an integer number (73181995668).

Almost surely, 2^536560321561 is an apocalyptic number.

It is an amenable number.

536560321561 is a deficient number, since it is larger than the sum of its proper divisors (48895643783).

536560321561 is a wasteful number, since it uses less digits than its factorization.

536560321561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786071.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 536560321561 in words is "five hundred thirty-six billion, five hundred sixty million, three hundred twenty-one thousand, five hundred sixty-one".