51605071014 has 16 divisors (see below), whose sum is σ = 117954448128. Its totient is φ = 14744305992.

The previous prime is 51605071009. The next prime is 51605071057. The reversal of 51605071014 is 41017050615.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614346042 + ... + 614346125.

It is an arithmetic number, because the mean of its divisors is an integer number (7372153008).

Almost surely, 2^51605071014 is an apocalyptic number.

51605071014 is an abundant number, since it is smaller than the sum of its proper divisors (66349377114).

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

51605071014 is a wasteful number, since it uses less digits than its factorization.

51605071014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228692179.

The product of its (nonzero) digits is 4200, while the sum is 30.

The spelling of 51605071014 in words is "fifty-one billion, six hundred five million, seventy-one thousand, fourteen".