51325245452125 has 16 divisors (see below), whose sum is σ = 64176850563696. Its totient is φ = 40981385952000.

The previous prime is 51325245452051. The next prime is 51325245452141. The reversal of 51325245452125 is 52125454252315.

It can be written as a sum of positive squares in 8 ways, for example, as 38418513803289 + 12906731648836 = 6198267^2 + 3592594^2 .

It is not a de Polignac number, because 51325245452125 - 2¹³ = 51325245443933 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 15 ways as a sum of consecutive naturals, for example, 393986664 + ... + 394116913.

It is an arithmetic number, because the mean of its divisors is an integer number (4011053160231).

Almost surely, 2^{51325245452125} is an apocalyptic number.

It is an amenable number.

51325245452125 is a deficient number, since it is larger than the sum of its proper divisors (12851605111571).

51325245452125 is an equidigital number, since it uses as much as digits as its factorization.

51325245452125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788104113 (or 788104103 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 46.

The spelling of 51325245452125 in words is "fifty-one trillion, three hundred twenty-five billion, two hundred forty-five million, four hundred fifty-two thousand, one hundred twenty-five".