51235261322200 has 24 divisors (see below), whose sum is σ = 119121982574580. Its totient is φ = 20494104528800.

The previous prime is 51235261322159. The next prime is 51235261322233. The reversal of 51235261322200 is 222316253215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128088153106 + ... + 128088153505.

Almost surely, 2^{51235261322200} is an apocalyptic number.

51235261322200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51235261322200 is an abundant number, since it is smaller than the sum of its proper divisors (67886721252380).

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

51235261322200 is a wasteful number, since it uses less digits than its factorization.

51235261322200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256176306627 (or 256176306618 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 51235261322200 its reverse (222316253215), we get a palindrome (51457577575415).

The spelling of 51235261322200 in words is "fifty-one trillion, two hundred thirty-five billion, two hundred sixty-one million, three hundred twenty-two thousand, two hundred".