51080520096 has 144 divisors (see below), whose sum is σ = 150677182656. Its totient is φ = 16402756608.

The previous prime is 51080520083. The next prime is 51080520131. The reversal of 51080520096 is 69002508015.

It is a happy number.

51080520096 is a `hidden beast` number, since 51 + 0 + 80 + 520 + 0 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 51080520096.

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, 875781 + ... + 932283.

It is an arithmetic number, because the mean of its divisors is an integer number (1046369324).

Almost surely, 2^51080520096 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 51080520096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75338591328).

51080520096 is an abundant number, since it is smaller than the sum of its proper divisors (99596662560).

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

51080520096 is a wasteful number, since it uses less digits than its factorization.

51080520096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56635 (or 56624 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 51080520096 in words is "fifty-one billion, eighty million, five hundred twenty thousand, ninety-six".