51214512704 has 28 divisors (see below), whose sum is σ = 103145655024. Its totient is φ = 25225056384.

The previous prime is 51214512667. The next prime is 51214512721. The reversal of 51214512704 is 40721541215.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 5967554 + ... + 5976129.

Almost surely, 2^51214512704 is an apocalyptic number.

It is an amenable number.

51214512704 is an abundant number, since it is smaller than the sum of its proper divisors (51931142320).

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

51214512704 is a wasteful number, since it uses less digits than its factorization.

51214512704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11943762 (or 11943752 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The spelling of 51214512704 in words is "fifty-one billion, two hundred fourteen million, five hundred twelve thousand, seven hundred four".