500206313477561 has 16 divisors (see below), whose sum is σ = 501105544692480. Its totient is φ = 499307653622400.

The previous prime is 500206313477543. The next prime is 500206313477567. The reversal of 500206313477561 is 165774313602005.

It is a cyclic number.

It is not a de Polignac number, because 500206313477561 - 2³⁰ = 500205239735737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (500206313477567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28611002726 + ... + 28611020208.

It is an arithmetic number, because the mean of its divisors is an integer number (31319096543280).

Almost surely, 2^{500206313477561} is an apocalyptic number.

It is an amenable number.

500206313477561 is a deficient number, since it is larger than the sum of its proper divisors (899231214919).

500206313477561 is a wasteful number, since it uses less digits than its factorization.

500206313477561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30976.

The product of its (nonzero) digits is 3175200, while the sum is 50.

The spelling of 500206313477561 in words is "five hundred trillion, two hundred six billion, three hundred thirteen million, four hundred seventy-seven thousand, five hundred sixty-one".