51343140105104 has 20 divisors (see below), whose sum is σ = 99496475414364. Its totient is φ = 25666630320768.

The previous prime is 51343140105091. The next prime is 51343140105143. The reversal of 51343140105104 is 40150104134315.

It can be written as a sum of positive squares in 2 ways, for example, as 31129124105104 + 20214016000000 = 5579348^2 + 4496000^2 .

It is a super-2 number, since 2×51343140105104² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 308647487 + ... + 308813790.

Almost surely, 2^{51343140105104} is an apocalyptic number.

It is an amenable number.

51343140105104 is a deficient number, since it is larger than the sum of its proper divisors (48153335309260).

51343140105104 is a wasteful number, since it uses less digits than its factorization.

51343140105104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617466482 (or 617466476 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 51343140105104 its reverse (40150104134315), we get a palindrome (91493244239419).

The spelling of 51343140105104 in words is "fifty-one trillion, three hundred forty-three billion, one hundred forty million, one hundred five thousand, one hundred four".