51706055210018 has 32 divisors (see below), whose sum is σ = 85220205632640. Its totient is φ = 23333476383360.

The previous prime is 51706055209981. The next prime is 51706055210023. The reversal of 51706055210018 is 81001255060715.

It is a super-2 number, since 2×51706055210018² (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 15 ways as a sum of consecutive naturals, for example, 2153438 + ... + 10394681.

It is an arithmetic number, because the mean of its divisors is an integer number (2663131426020).

Almost surely, 2^{51706055210018} is an apocalyptic number.

51706055210018 is a deficient number, since it is larger than the sum of its proper divisors (33514150422622).

51706055210018 is a wasteful number, since it uses less digits than its factorization.

51706055210018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12549482.

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 51706055210018 in words is "fifty-one trillion, seven hundred six billion, fifty-five million, two hundred ten thousand, eighteen".