51191852345088 has 3456 divisors, whose sum is σ = 198877701980160. Its totient is φ = 11510344581120.

The previous prime is 51191852345077. The next prime is 51191852345167. The reversal of 51191852345088 is 88054325819115.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 527751055056 + ... + 527751055152.

It is an arithmetic number, because the mean of its divisors is an integer number (57545631360).

Almost surely, 2^{51191852345088} 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 51191852345088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99438850990080).

51191852345088 is an abundant number, since it is smaller than the sum of its proper divisors (147685849635072).

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

51191852345088 is a wasteful number, since it uses less digits than its factorization.

51191852345088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 60.

The spelling of 51191852345088 in words is "fifty-one trillion, one hundred ninety-one billion, eight hundred fifty-two million, three hundred forty-five thousand, eighty-eight".