51065175016 has 16 divisors (see below), whose sum is σ = 99048831300. Its totient is φ = 24652153344.

The previous prime is 51065174969. The next prime is 51065175043. The reversal of 51065175016 is 61057156015.

It can be written as a sum of positive squares in 2 ways, for example, as 50386780900 + 678394116 = 224470^2 + 26046^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110054025 + ... + 110054488.

Almost surely, 2^51065175016 is an apocalyptic number.

It is an amenable number.

51065175016 is a deficient number, since it is larger than the sum of its proper divisors (47983656284).

51065175016 is a wasteful number, since it uses less digits than its factorization.

51065175016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220108548 (or 220108544 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 51065175016 in words is "fifty-one billion, sixty-five million, one hundred seventy-five thousand, sixteen".