51128131983360 has 192 divisors, whose sum is σ = 165070732226400. Its totient is φ = 13509083529216.

The previous prime is 51128131983353. The next prime is 51128131983389. The reversal of 51128131983360 is 6338913182115.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×51128131983360² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286049 + ... + 10983008.

Almost surely, 2^{51128131983360} is an apocalyptic number.

It is an amenable number.

51128131983360 is an abundant number, since it is smaller than the sum of its proper divisors (113942600243040).

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

51128131983360 is a wasteful number, since it uses less digits than its factorization.

51128131983360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15269196 (or 15269176 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 51128131983360 in words is "fifty-one trillion, one hundred twenty-eight billion, one hundred thirty-one million, nine hundred eighty-three thousand, three hundred sixty".