51060817115725 has 24 divisors (see below), whose sum is σ = 63474891774248. Its totient is φ = 40745792102400.

The previous prime is 51060817115699. The next prime is 51060817115761. The reversal of 51060817115725 is 52751171806015.

It can be written as a sum of positive squares in 12 ways, for example, as 25819467413796 + 25241349701929 = 5081286^2 + 5024077^2 .

It is not a de Polignac number, because 51060817115725 - 2¹⁹ = 51060816591437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73931197 + ... + 74618653.

Almost surely, 2^{51060817115725} is an apocalyptic number.

It is an amenable number.

51060817115725 is a deficient number, since it is larger than the sum of its proper divisors (12414074658523).

51060817115725 is a wasteful number, since it uses less digits than its factorization.

51060817115725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694945 (or 694940 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 49.

The spelling of 51060817115725 in words is "fifty-one trillion, sixty billion, eight hundred seventeen million, one hundred fifteen thousand, seven hundred twenty-five".