51012305211325 has 48 divisors (see below), whose sum is σ = 65424254985936. Its totient is φ = 39441420288000.

The previous prime is 51012305211281. The next prime is 51012305211347. The reversal of 51012305211325 is 52311250321015.

It is a happy number.

It can be written as a sum of positive squares in 24 ways, for example, as 10354873974201 + 40657431237124 = 3217899^2 + 6376318^2 .

It is not a de Polignac number, because 51012305211325 - 2¹¹ = 51012305209277 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 47 ways as a sum of consecutive naturals, for example, 16452969 + ... + 19306081.

It is an arithmetic number, because the mean of its divisors is an integer number (1363005312207).

Almost surely, 2^{51012305211325} is an apocalyptic number.

It is an amenable number.

51012305211325 is a deficient number, since it is larger than the sum of its proper divisors (14411949774611).

51012305211325 is a wasteful number, since it uses less digits than its factorization.

51012305211325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853394 (or 2853389 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 51012305211325 in words is "fifty-one trillion, twelve billion, three hundred five million, two hundred eleven thousand, three hundred twenty-five".