51128265148336 has 20 divisors (see below), whose sum is σ = 101168694869472. Its totient is φ = 25020214859456.

The previous prime is 51128265148319. The next prime is 51128265148453. The reversal of 51128265148336 is 63384156282115.

It is a super-3 number, since 3×51128265148336³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33994856395 + ... + 33994857898.

Almost surely, 2^{51128265148336} is an apocalyptic number.

It is an amenable number.

51128265148336 is a deficient number, since it is larger than the sum of its proper divisors (50040429721136).

51128265148336 is a wasteful number, since it uses less digits than its factorization.

51128265148336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67989714348 (or 67989714342 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 55.

The spelling of 51128265148336 in words is "fifty-one trillion, one hundred twenty-eight billion, two hundred sixty-five million, one hundred forty-eight thousand, three hundred thirty-six".