51118634608055 has 32 divisors (see below), whose sum is σ = 73163495199744. Its totient is φ = 33524219748096.

The previous prime is 51118634608039. The next prime is 51118634608109. The reversal of 51118634608055 is 55080643681115.

It is not a de Polignac number, because 51118634608055 - 2⁴ = 51118634608039 is a prime.

It is a super-2 number, since 2×51118634608055² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51118634607988 and 51118634608006.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1689884 + ... + 10251486.

It is an arithmetic number, because the mean of its divisors is an integer number (2286359224992).

Almost surely, 2^{51118634608055} is an apocalyptic number.

51118634608055 is a deficient number, since it is larger than the sum of its proper divisors (22044860591689).

51118634608055 is a wasteful number, since it uses less digits than its factorization.

51118634608055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8569055.

The product of its (nonzero) digits is 3456000, while the sum is 53.

The spelling of 51118634608055 in words is "fifty-one trillion, one hundred eighteen billion, six hundred thirty-four million, six hundred eight thousand, fifty-five".