51252561006200 has 48 divisors (see below), whose sum is σ = 121933418414280. Its totient is φ = 20024256389760.

The previous prime is 51252561006173. The next prime is 51252561006217. The reversal of 51252561006200 is 260016525215.

It is a congruent number.

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, 2979791459 + ... + 2979808658.

Almost surely, 2^{51252561006200} is an apocalyptic number.

51252561006200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51252561006200 is an abundant number, since it is smaller than the sum of its proper divisors (70680857408080).

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

51252561006200 is a wasteful number, since it uses less digits than its factorization.

51252561006200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5959600176 (or 5959600167 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 51252561006200 in words is "fifty-one trillion, two hundred fifty-two billion, five hundred sixty-one million, six thousand, two hundred".