51772041171 has 12 divisors (see below), whose sum is σ = 77360521680. Its totient is φ = 33324532080.

The previous prime is 51772041161. The next prime is 51772041173. The reversal of 51772041171 is 17114027715.

51772041171 is a `hidden beast` number, since 5 + 177 + 2 + 0 + 411 + 71 = 666.

It is not a de Polignac number, because 51772041171 - 2²⁷ = 51637823443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51772041173) 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, 99179895 + ... + 99180416.

It is an arithmetic number, because the mean of its divisors is an integer number (6446710140).

Almost surely, 2^51772041171 is an apocalyptic number.

51772041171 is a deficient number, since it is larger than the sum of its proper divisors (25588480509).

51772041171 is a wasteful number, since it uses less digits than its factorization.

51772041171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198360346 (or 198360343 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 36.

Adding to 51772041171 its reverse (17114027715), we get a palindrome (68886068886).

The spelling of 51772041171 in words is "fifty-one billion, seven hundred seventy-two million, forty-one thousand, one hundred seventy-one".