51129789006 has 8 divisors (see below), whose sum is σ = 102259578024. Its totient is φ = 17043263000.

The previous prime is 51129788977. The next prime is 51129789071. The reversal of 51129789006 is 60098792115.

It is a sphenic number, since it is the product of 3 distinct primes.

51129789006 is an admirable number.

It is a super-2 number, since 2×51129789006² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260815745 + ... + 4260815756.

It is an arithmetic number, because the mean of its divisors is an integer number (12782447253).

Almost surely, 2^51129789006 is an apocalyptic number.

51129789006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51129789006 is a wasteful number, since it uses less digits than its factorization.

51129789006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8521631506.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 51129789006 in words is "fifty-one billion, one hundred twenty-nine million, seven hundred eighty-nine thousand, six".