51086580056636 has 24 divisors (see below), whose sum is σ = 94711678893216. Its totient is φ = 24027727393280.

The previous prime is 51086580056569. The next prime is 51086580056663. The reversal of 51086580056636 is 63665008568015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203251025 + ... + 203502216.

It is an arithmetic number, because the mean of its divisors is an integer number (3946319953884).

Almost surely, 2^{51086580056636} is an apocalyptic number.

It is an amenable number.

51086580056636 is a deficient number, since it is larger than the sum of its proper divisors (43625098836580).

51086580056636 is a wasteful number, since it uses less digits than its factorization.

51086580056636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406755109 (or 406755107 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 59.

The spelling of 51086580056636 in words is "fifty-one trillion, eighty-six billion, five hundred eighty million, fifty-six thousand, six hundred thirty-six".