51299515594080 has 1536 divisors, whose sum is σ = 205837333954560. Its totient is φ = 11842661376000.

The previous prime is 51299515594043. The next prime is 51299515594141. The reversal of 51299515594080 is 8049551599215.

51299515594080 is a `hidden beast` number, since 5 + 1 + 29 + 9 + 5 + 15 + 594 + 0 + 8 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51299515593999 and 51299515594017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9806825065 + ... + 9806830295.

It is an arithmetic number, because the mean of its divisors is an integer number (134008680960).

Almost surely, 2^{51299515594080} 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 51299515594080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102918666977280).

51299515594080 is an abundant number, since it is smaller than the sum of its proper divisors (154537818360480).

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

51299515594080 is a wasteful number, since it uses less digits than its factorization.

51299515594080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5459 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 63.

The spelling of 51299515594080 in words is "fifty-one trillion, two hundred ninety-nine billion, five hundred fifteen million, five hundred ninety-four thousand, eighty".