51411330873081 has 6 divisors (see below), whose sum is σ = 74260811261130. Its totient is φ = 34274220582048.

The previous prime is 51411330872971. The next prime is 51411330873083. The reversal of 51411330873081 is 18037803311415.

51411330873081 is a `hidden beast` number, since 5 + 1 + 4 + 1 + 1 + 330 + 8 + 7 + 308 + 1 = 666.

51411330873081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39405687986025 + 12005642887056 = 6277395^2 + 3464916^2 .

It is not a de Polignac number, because 51411330873081 - 2⁷ = 51411330872953 is a prime.

It is a super-2 number, since 2×51411330873081² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51411330873083) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 2856185048496 + ... + 2856185048513.

It is an arithmetic number, because the mean of its divisors is an integer number (12376801876855).

Almost surely, 2^{51411330873081} is an apocalyptic number.

It is an amenable number.

51411330873081 is a deficient number, since it is larger than the sum of its proper divisors (22849480388049).

51411330873081 is a wasteful number, since it uses less digits than its factorization.

51411330873081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5712370097015 (or 5712370097012 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 51411330873081 in words is "fifty-one trillion, four hundred eleven billion, three hundred thirty million, eight hundred seventy-three thousand, eighty-one".