51256510014 has 16 divisors (see below), whose sum is σ = 102746540160. Its totient is φ = 17046583320.

The previous prime is 51256509989. The next prime is 51256510031. The reversal of 51256510014 is 41001565215.

It is a super-3 number, since 3×51256510014³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9727152 + ... + 9732419.

It is an arithmetic number, because the mean of its divisors is an integer number (6421658760).

Almost surely, 2^51256510014 is an apocalyptic number.

51256510014 is an abundant number, since it is smaller than the sum of its proper divisors (51490030146).

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

51256510014 is a wasteful number, since it uses less digits than its factorization.

51256510014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19460015.

The product of its (nonzero) digits is 6000, while the sum is 30.

It can be divided in two parts, 51256 and 510014, that added together give a triangular number (561270 = T₁₀₅₉).

The spelling of 51256510014 in words is "fifty-one billion, two hundred fifty-six million, five hundred ten thousand, fourteen".