51124850009856 has 360 divisors, whose sum is σ = 178472276926944. Its totient is φ = 14250827612160.

The previous prime is 51124850009851. The next prime is 51124850009869. The reversal of 51124850009856 is 65890005842115.

51124850009856 is a `hidden beast` number, since 5 + 1 + 1 + 2 + 48 + 500 + 0 + 98 + 5 + 6 = 666.

51124850009856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51124850009856² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51124850009851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1655916 + ... + 10246548.

Almost surely, 2^{51124850009856} is an apocalyptic number.

51124850009856 is a gapful number since it is divisible by the number (56) 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 51124850009856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89236138463472).

51124850009856 is an abundant number, since it is smaller than the sum of its proper divisors (127347426917088).

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

51124850009856 is an equidigital number, since it uses as much as digits as its factorization.

51124850009856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8590709 (or 8590686 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 54.

The spelling of 51124850009856 in words is "fifty-one trillion, one hundred twenty-four billion, eight hundred fifty million, nine thousand, eight hundred fifty-six".