51200078160 has 320 divisors, whose sum is σ = 198991263744. Its totient is φ = 10579507200.

The previous prime is 51200078143. The next prime is 51200078203. The reversal of 51200078160 is 6187000215.

51200078160 is digitally balanced in base 2, 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 (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3337227 + ... + 3352533.

Almost surely, 2^51200078160 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 51200078160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99495631872).

51200078160 is an abundant number, since it is smaller than the sum of its proper divisors (147791185584).

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

51200078160 is a wasteful number, since it uses less digits than its factorization.

51200078160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15522 (or 15516 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

Adding to 51200078160 its reverse (6187000215), we get a palindrome (57387078375).

The spelling of 51200078160 in words is "fifty-one billion, two hundred million, seventy-eight thousand, one hundred sixty".