51286030848000 has 1664 divisors, whose sum is σ = 216232523619840. Its totient is φ = 11880942796800.

The previous prime is 51286030847963. The next prime is 51286030848007. The reversal of 51286030848000 is 84803068215.

51286030848000 is a `hidden beast` number, since 512 + 8 + 60 + 30 + 8 + 48 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1664).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (51286030848007) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 3055095607 + ... + 3055112393.

It is an arithmetic number, because the mean of its divisors is an integer number (129947430060).

Almost surely, 2^{51286030848000} is an apocalyptic number.

51286030848000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51286030848000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108116261809920).

51286030848000 is an abundant number, since it is smaller than the sum of its proper divisors (164946492771840).

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

51286030848000 is a wasteful number, since it uses less digits than its factorization.

51286030848000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16865 (or 16827 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 51286030848000 in words is "fifty-one trillion, two hundred eighty-six billion, thirty million, eight hundred forty-eight thousand".