51727204500205 has 16 divisors (see below), whose sum is σ = 66848977888560. Its totient is φ = 38197686094848.

The previous prime is 51727204500197. The next prime is 51727204500247. The reversal of 51727204500205 is 50200540272715.

It can be written as a sum of positive squares in 8 ways, for example, as 15650339514601 + 36076864985604 = 3956051^2 + 6006402^2 .

It is a cyclic number.

It is not a de Polignac number, because 51727204500205 - 2³ = 51727204500197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6109710 + ... + 11865199.

It is an arithmetic number, because the mean of its divisors is an integer number (4178061118035).

Almost surely, 2^{51727204500205} is an apocalyptic number.

It is an amenable number.

51727204500205 is a deficient number, since it is larger than the sum of its proper divisors (15121773388355).

51727204500205 is a wasteful number, since it uses less digits than its factorization.

51727204500205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18019200.

The product of its (nonzero) digits is 196000, while the sum is 40.

The spelling of 51727204500205 in words is "fifty-one trillion, seven hundred twenty-seven billion, two hundred four million, five hundred thousand, two hundred five".