51025345002 has 24 divisors (see below), whose sum is σ = 110587251684. Its totient is φ = 17003473344.

The previous prime is 51025344983. The next prime is 51025345037. The reversal of 51025345002 is 20054352015.

It is a happy number.

51025345002 is a `hidden beast` number, since 5 + 102 + 53 + 4 + 500 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43952703201 + 7072641801 = 209649^2 + 84099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351073 + ... + 474660.

Almost surely, 2^51025345002 is an apocalyptic number.

51025345002 is an abundant number, since it is smaller than the sum of its proper divisors (59561906682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51025345002 is a wasteful number, since it uses less digits than its factorization.

51025345002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829174 (or 829171 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 51025345002 its reverse (20054352015), we get a palindrome (71079697017).

The spelling of 51025345002 in words is "fifty-one billion, twenty-five million, three hundred forty-five thousand, two".