51121155366312 has 32 divisors (see below), whose sum is σ = 128011376035680. Its totient is φ = 17012586772800.

The previous prime is 51121155366257. The next prime is 51121155366331. The reversal of 51121155366312 is 21366355112115.

It is a super-3 number, since 3×51121155366312³ (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 7 ways as a sum of consecutive naturals, for example, 1737381814 + ... + 1737411237.

It is an arithmetic number, because the mean of its divisors is an integer number (4000355501115).

Almost surely, 2^{51121155366312} is an apocalyptic number.

It is an amenable number.

51121155366312 is an abundant number, since it is smaller than the sum of its proper divisors (76890220669368).

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

51121155366312 is a wasteful number, since it uses less digits than its factorization.

51121155366312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474793673 (or 3474793669 counting only the distinct ones).

The product of its digits is 162000, while the sum is 42.

The spelling of 51121155366312 in words is "fifty-one trillion, one hundred twenty-one billion, one hundred fifty-five million, three hundred sixty-six thousand, three hundred twelve".