51273020200536 has 64 divisors (see below), whose sum is σ = 142554181939200. Its totient is φ = 17075511634464.

The previous prime is 51273020200433. The next prime is 51273020200601. The reversal of 51273020200536 is 63500202037215.

51273020200536 is a `hidden beast` number, since 5 + 12 + 73 + 0 + 20 + 20 + 0 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51273020200536.

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, 107366056 + ... + 107842551.

It is an arithmetic number, because the mean of its divisors is an integer number (2227409092800).

Almost surely, 2^{51273020200536} is an apocalyptic number.

It is an amenable number.

51273020200536 is an abundant number, since it is smaller than the sum of its proper divisors (91281161738664).

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

51273020200536 is a wasteful number, since it uses less digits than its factorization.

51273020200536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215209725 (or 215209715 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The spelling of 51273020200536 in words is "fifty-one trillion, two hundred seventy-three billion, twenty million, two hundred thousand, five hundred thirty-six".