51300515278080 has 432 divisors, whose sum is σ = 178712155125504. Its totient is φ = 13586426757120.

The previous prime is 51300515278039. The next prime is 51300515278087. The reversal of 51300515278080 is 8087251500315.

51300515278080 is a `hidden beast` number, since 5 + 1 + 30 + 0 + 515 + 27 + 8 + 0 + 80 = 666.

51300515278080 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300515278087) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2341302325 + ... + 2341324235.

It is an arithmetic number, because the mean of its divisors is an integer number (413685544272).

Almost surely, 2^{51300515278080} 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 51300515278080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89356077562752).

51300515278080 is an abundant number, since it is smaller than the sum of its proper divisors (127411639847424).

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

51300515278080 is a wasteful number, since it uses less digits than its factorization.

51300515278080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322 (or 23305 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

Adding to 51300515278080 its reverse (8087251500315), we get a palindrome (59387766778395).

The spelling of 51300515278080 in words is "fifty-one trillion, three hundred billion, five hundred fifteen million, two hundred seventy-eight thousand, eighty".