5205631206161 has 8 divisors (see below), whose sum is σ = 5303707718400. Its totient is φ = 5108396552752.

The previous prime is 5205631206023. The next prime is 5205631206169. The reversal of 5205631206161 is 1616021365025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5205631206161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5205631206169) 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, 210452225 + ... + 210476958.

It is an arithmetic number, because the mean of its divisors is an integer number (662963464800).

Almost surely, 2^{5205631206161} is an apocalyptic number.

It is an amenable number.

5205631206161 is a deficient number, since it is larger than the sum of its proper divisors (98076512239).

5205631206161 is a wasteful number, since it uses less digits than its factorization.

5205631206161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420929415.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 5205631206161 in words is "five trillion, two hundred five billion, six hundred thirty-one million, two hundred six thousand, one hundred sixty-one".