51461334125 has 16 divisors (see below), whose sum is σ = 64242862320. Its totient is φ = 41156812800.

The previous prime is 51461334053. The next prime is 51461334139. The reversal of 51461334125 is 52143316415.

It can be written as a sum of positive squares in 8 ways, for example, as 14918423881 + 36542910244 = 122141^2 + 191162^2 .

It is not a de Polignac number, because 51461334125 - 2¹⁰ = 51461333101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372581 + ... + 491669.

It is an arithmetic number, because the mean of its divisors is an integer number (4015178895).

Almost surely, 2^51461334125 is an apocalyptic number.

It is an amenable number.

51461334125 is a deficient number, since it is larger than the sum of its proper divisors (12781528195).

51461334125 is a wasteful number, since it uses less digits than its factorization.

51461334125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122561 (or 122551 counting only the distinct ones).

The product of its digits is 43200, while the sum is 35.

The spelling of 51461334125 in words is "fifty-one billion, four hundred sixty-one million, three hundred thirty-four thousand, one hundred twenty-five".