51118657725843 has 12 divisors (see below), whose sum is σ = 73842755157288. Its totient is φ = 34076938690080.

The previous prime is 51118657725799. The next prime is 51118657725871. The reversal of 51118657725843 is 34852775681115.

51118657725843 is a `hidden beast` number, since 5 + 1 + 1 + 1 + 8 + 6 + 577 + 2 + 58 + 4 + 3 = 666.

It is not a de Polignac number, because 51118657725843 - 2¹³ = 51118657717651 is a prime.

It is a super-2 number, since 2×51118657725843² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51118650725843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180388930 + ... + 180672087.

It is an arithmetic number, because the mean of its divisors is an integer number (6153562929774).

Almost surely, 2^{51118657725843} is an apocalyptic number.

51118657725843 is a deficient number, since it is larger than the sum of its proper divisors (22724097431445).

51118657725843 is a wasteful number, since it uses less digits than its factorization.

51118657725843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361076754 (or 361076751 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 63.

The spelling of 51118657725843 in words is "fifty-one trillion, one hundred eighteen billion, six hundred fifty-seven million, seven hundred twenty-five thousand, eight hundred forty-three".