51525014515412 has 12 divisors (see below), whose sum is σ = 92605769332020. Its totient is φ = 25066223277696.

The previous prime is 51525014515399. The next prime is 51525014515477. The reversal of 51525014515412 is 21451541052515.

It can be written as a sum of positive squares in 2 ways, for example, as 32167795215556 + 19357219299856 = 5671666^2 + 4399684^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51525014515412.

It is a congruent number.

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, 174070994837 + ... + 174070995132.

It is an arithmetic number, because the mean of its divisors is an integer number (7717147444335).

Almost surely, 2^{51525014515412} is an apocalyptic number.

It is an amenable number.

51525014515412 is a deficient number, since it is larger than the sum of its proper divisors (41080754816608).

51525014515412 is a wasteful number, since it uses less digits than its factorization.

51525014515412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348141990010 (or 348141990008 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 41.

Adding to 51525014515412 its reverse (21451541052515), we get a palindrome (72976555567927).

The spelling of 51525014515412 in words is "fifty-one trillion, five hundred twenty-five billion, fourteen million, five hundred fifteen thousand, four hundred twelve".