51776129241 has 6 divisors (see below), whose sum is σ = 74787742250. Its totient is φ = 34517419488.

The previous prime is 51776129233. The next prime is 51776129257. The reversal of 51776129241 is 14292167715.

51776129241 is a `hidden beast` number, since 5 + 1 + 7 + 7 + 612 + 9 + 24 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 50077040841 + 1699088400 = 223779^2 + 41220^2 .

It is not a de Polignac number, because 51776129241 - 2³ = 51776129233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51776179241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2876451616 + ... + 2876451633.

Almost surely, 2^51776129241 is an apocalyptic number.

It is an amenable number.

51776129241 is a deficient number, since it is larger than the sum of its proper divisors (23011613009).

51776129241 is a wasteful number, since it uses less digits than its factorization.

51776129241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5752903255 (or 5752903252 counting only the distinct ones).

The product of its digits is 211680, while the sum is 45.

The spelling of 51776129241 in words is "fifty-one billion, seven hundred seventy-six million, one hundred twenty-nine thousand, two hundred forty-one".