51335097512 has 8 divisors (see below), whose sum is σ = 96253307850. Its totient is φ = 25667548752.

The previous prime is 51335097493. The next prime is 51335097529. The reversal of 51335097512 is 21579053315.

It can be written as a sum of positive squares in only one way, i.e., 44895676996 + 6439420516 = 211886^2 + 80246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 51335097512.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208443587 + ... + 3208443602.

Almost surely, 2^51335097512 is an apocalyptic number.

It is an amenable number.

51335097512 is a deficient number, since it is larger than the sum of its proper divisors (44918210338).

51335097512 is a wasteful number, since it uses less digits than its factorization.

51335097512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416887195 (or 6416887191 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 41.

The spelling of 51335097512 in words is "fifty-one billion, three hundred thirty-five million, ninety-seven thousand, five hundred twelve".