51204230051536 has 10 divisors (see below), whose sum is σ = 99208195724882. Its totient is φ = 25602115025760.

The previous prime is 51204230051503. The next prime is 51204230051551. The reversal of 51204230051536 is 63515003240215.

It can be written as a sum of positive squares in only one way, i.e., 50297088097936 + 907141953600 = 7092044^2 + 952440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 51204230051495 and 51204230051504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1600132189095 + ... + 1600132189126.

Almost surely, 2^{51204230051536} is an apocalyptic number.

It is an amenable number.

51204230051536 is a deficient number, since it is larger than the sum of its proper divisors (48003965673346).

51204230051536 is a wasteful number, since it uses less digits than its factorization.

51204230051536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200264378229 (or 3200264378223 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 51204230051536 in words is "fifty-one trillion, two hundred four billion, two hundred thirty million, fifty-one thousand, five hundred thirty-six".