51371768260242 has 48 divisors (see below), whose sum is σ = 112715712695040. Its totient is φ = 16906971571776.

The previous prime is 51371768260237. The next prime is 51371768260243. The reversal of 51371768260242 is 24206286717315.

51371768260242 is a `hidden beast` number, since 5 + 1 + 3 + 71 + 76 + 8 + 260 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (51371768260243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180199878 + ... + 180484734.

It is an arithmetic number, because the mean of its divisors is an integer number (2348244014480).

Almost surely, 2^{51371768260242} is an apocalyptic number.

51371768260242 is an abundant number, since it is smaller than the sum of its proper divisors (61343944434798).

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

51371768260242 is a wasteful number, since it uses less digits than its factorization.

51371768260242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411767 (or 411764 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 51371768260242 in words is "fifty-one trillion, three hundred seventy-one billion, seven hundred sixty-eight million, two hundred sixty thousand, two hundred forty-two".