51808492634112 has 180 divisors, whose sum is σ = 149761691461200. Its totient is φ = 17258272653312.

The previous prime is 51808492634081. The next prime is 51808492634147. The reversal of 51808492634112 is 21143629480815.

51808492634112 is a `hidden beast` number, since 5 + 1 + 8 + 0 + 8 + 492 + 6 + 34 + 112 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228295933 + ... + 228522755.

Almost surely, 2^{51808492634112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51808492634112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74880845730600).

51808492634112 is an abundant number, since it is smaller than the sum of its proper divisors (97953198827088).

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

51808492634112 is a wasteful number, since it uses less digits than its factorization.

51808492634112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228406 (or 228377 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 51808492634112 in words is "fifty-one trillion, eight hundred eight billion, four hundred ninety-two million, six hundred thirty-four thousand, one hundred twelve".