51010052320000 has 180 divisors, whose sum is σ = 128978309198200. Its totient is φ = 20124509184000.

The previous prime is 51010052319943. The next prime is 51010052320013. The reversal of 51010052320000 is 2325001015.

It is a self number, because there is not a number n which added to its sum of digits gives 51010052320000.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9496351 + ... + 13863649.

Almost surely, 2^{51010052320000} is an apocalyptic number.

51010052320000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51010052320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64489154599100).

51010052320000 is an abundant number, since it is smaller than the sum of its proper divisors (77968256878200).

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

51010052320000 is an frugal number, since it uses more digits than its factorization.

51010052320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4367408 (or 4367379 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 51010052320000 its reverse (2325001015), we get a palindrome (51012377321015).

The spelling of 51010052320000 in words is "fifty-one trillion, ten billion, fifty-two million, three hundred twenty thousand".