51711050012 has 12 divisors (see below), whose sum is σ = 90511375416. Its totient is φ = 25850657040.

The previous prime is 51711050011. The next prime is 51711050099. The reversal of 51711050012 is 21005011715.

It is a self number, because there is not a number n which added to its sum of digits gives 51711050012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51711050011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1193039 + ... + 1235622.

It is an arithmetic number, because the mean of its divisors is an integer number (7542614618).

Almost surely, 2^51711050012 is an apocalyptic number.

It is an amenable number.

51711050012 is a deficient number, since it is larger than the sum of its proper divisors (38800325404).

51711050012 is a wasteful number, since it uses less digits than its factorization.

51711050012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433988 (or 2433986 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

Adding to 51711050012 its reverse (21005011715), we get a palindrome (72716061727).

The spelling of 51711050012 in words is "fifty-one billion, seven hundred eleven million, fifty thousand, twelve".