51002200254044 has 12 divisors (see below), whose sum is σ = 96119531248104. Its totient is φ = 23539477040304.

The previous prime is 51002200254023. The next prime is 51002200254151. The reversal of 51002200254044 is 44045200220015.

It is a junction number, because it is equal to n+sod(n) for n = 51002200253998 and 51002200254016.

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, 490405771622 + ... + 490405771725.

It is an arithmetic number, because the mean of its divisors is an integer number (8009960937342).

Almost surely, 2^{51002200254044} is an apocalyptic number.

It is an amenable number.

51002200254044 is a deficient number, since it is larger than the sum of its proper divisors (45117330994060).

51002200254044 is a wasteful number, since it uses less digits than its factorization.

51002200254044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980811543364 (or 980811543362 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

Adding to 51002200254044 its reverse (44045200220015), we get a palindrome (95047400474059).

The spelling of 51002200254044 in words is "fifty-one trillion, two billion, two hundred million, two hundred fifty-four thousand, forty-four".