51010105606056 has 96 divisors (see below), whose sum is σ = 139358332189440. Its totient is φ = 16855497224064.

The previous prime is 51010105606049. The next prime is 51010105606073. The reversal of 51010105606056 is 65060650101015.

51010105606056 is a `hidden beast` number, since 5 + 10 + 10 + 10 + 560 + 60 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51010105606056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1366971 + ... + 10192586.

It is an arithmetic number, because the mean of its divisors is an integer number (1451649293640).

Almost surely, 2^{51010105606056} 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 51010105606056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69679166094720).

51010105606056 is an abundant number, since it is smaller than the sum of its proper divisors (88348226583384).

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

51010105606056 is a wasteful number, since it uses less digits than its factorization.

51010105606056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11560103 (or 11560096 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 51010105606056 in words is "fifty-one trillion, ten billion, one hundred five million, six hundred six thousand, fifty-six".