51750158663280 has 960 divisors, whose sum is σ = 208257070694400. Its totient is φ = 10394897356800.

The previous prime is 51750158663263. The next prime is 51750158663293. The reversal of 51750158663280 is 8236685105715.

51750158663280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51750158663280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6421407891 + ... + 6421415949.

It is an arithmetic number, because the mean of its divisors is an integer number (216934448640).

Almost surely, 2^{51750158663280} 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 51750158663280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104128535347200).

51750158663280 is an abundant number, since it is smaller than the sum of its proper divisors (156506912031120).

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

51750158663280 is a wasteful number, since it uses less digits than its factorization.

51750158663280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9154 (or 9137 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 51750158663280 in words is "fifty-one trillion, seven hundred fifty billion, one hundred fifty-eight million, six hundred sixty-three thousand, two hundred eighty".