51336515120 has 120 divisors (see below), whose sum is σ = 131425671552. Its totient is φ = 18634936320.

The previous prime is 51336515107. The next prime is 51336515143. The reversal of 51336515120 is 2151563315.

It is a super-2 number, since 2×51336515120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5871392 + ... + 5880128.

Almost surely, 2^51336515120 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 51336515120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65712835776).

51336515120 is an abundant number, since it is smaller than the sum of its proper divisors (80089156432).

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

51336515120 is a wasteful number, since it uses less digits than its factorization.

51336515120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 51336515120 in words is "fifty-one billion, three hundred thirty-six million, five hundred fifteen thousand, one hundred twenty".