51020054315012 has 6 divisors (see below), whose sum is σ = 89285095051278. Its totient is φ = 25510027157504.

The previous prime is 51020054314991. The next prime is 51020054315017. The reversal of 51020054315012 is 21051345002015.

It can be written as a sum of positive squares in only one way, i.e., 41562854849476 + 9457199465536 = 6446926^2 + 3075256^2 .

It is not an unprimeable number, because it can be changed into a prime (51020054315017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6377506789373 + ... + 6377506789380.

It is an arithmetic number, because the mean of its divisors is an integer number (14880849175213).

Almost surely, 2^{51020054315012} is an apocalyptic number.

It is an amenable number.

51020054315012 is a deficient number, since it is larger than the sum of its proper divisors (38265040736266).

51020054315012 is a wasteful number, since it uses less digits than its factorization.

51020054315012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12755013578757 (or 12755013578755 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 51020054315012 its reverse (21051345002015), we get a palindrome (72071399317027).

The spelling of 51020054315012 in words is "fifty-one trillion, twenty billion, fifty-four million, three hundred fifteen thousand, twelve".