51570461205 has 12 divisors (see below), whose sum is σ = 89388799500. Its totient is φ = 27504245952.

The previous prime is 51570461191. The next prime is 51570461209. The reversal of 51570461205 is 50216407515.

51570461205 is a `hidden beast` number, since 5 + 1 + 570 + 4 + 61 + 20 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28641839121 + 22928622084 = 169239^2 + 151422^2 .

It is not a de Polignac number, because 51570461205 - 2⁷ = 51570461077 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51570461205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51570461209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 573005080 + ... + 573005169.

It is an arithmetic number, because the mean of its divisors is an integer number (7449066625).

Almost surely, 2^51570461205 is an apocalyptic number.

It is an amenable number.

51570461205 is a deficient number, since it is larger than the sum of its proper divisors (37818338295).

51570461205 is a wasteful number, since it uses less digits than its factorization.

51570461205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146010260 (or 1146010257 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 51570461205 in words is "fifty-one billion, five hundred seventy million, four hundred sixty-one thousand, two hundred five".