51152051320000 has 280 divisors, whose sum is σ = 127200186036000. Its totient is φ = 20402899968000.

The previous prime is 51152051319961. The next prime is 51152051320039. The reversal of 51152051320000 is 2315025115.

It is an interprime number because it is at equal distance from previous prime (51152051319961) and next prime (51152051320039).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35204439274 + ... + 35204440726.

It is an arithmetic number, because the mean of its divisors is an integer number (454286378700).

Almost surely, 2^{51152051320000} is an apocalyptic number.

51152051320000 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 51152051320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63600093018000).

51152051320000 is an abundant number, since it is smaller than the sum of its proper divisors (76048134716000).

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

51152051320000 is a wasteful number, since it uses less digits than its factorization.

51152051320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 51152051320000 its reverse (2315025115), we get a palindrome (51154366345115).

The spelling of 51152051320000 in words is "fifty-one trillion, one hundred fifty-two billion, fifty-one million, three hundred twenty thousand".