51128002837775 has 12 divisors (see below), whose sum is σ = 64291663288944. Its totient is φ = 40326312096000.

The previous prime is 51128002837771. The next prime is 51128002837799. The reversal of 51128002837775 is 57773820082115.

It is not a de Polignac number, because 51128002837775 - 2² = 51128002837771 is a prime.

It is a super-4 number, since 4×51128002837775⁴ (a number of 56 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51128002837775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51128002837771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14402252546 + ... + 14402256095.

It is an arithmetic number, because the mean of its divisors is an integer number (5357638607412).

Almost surely, 2^{51128002837775} is an apocalyptic number.

51128002837775 is a deficient number, since it is larger than the sum of its proper divisors (13163660451169).

51128002837775 is a wasteful number, since it uses less digits than its factorization.

51128002837775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28804508722 (or 28804508717 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 56.

The spelling of 51128002837775 in words is "fifty-one trillion, one hundred twenty-eight billion, two million, eight hundred thirty-seven thousand, seven hundred seventy-five".