51660112124 has 12 divisors (see below), whose sum is σ = 91887249048. Its totient is φ = 25406612400.

The previous prime is 51660112109. The next prime is 51660112129. The reversal of 51660112124 is 42121106615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51660112129) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 105860642 + ... + 105861129.

It is an arithmetic number, because the mean of its divisors is an integer number (7657270754).

Almost surely, 2^51660112124 is an apocalyptic number.

It is an amenable number.

51660112124 is a deficient number, since it is larger than the sum of its proper divisors (40227136924).

51660112124 is a wasteful number, since it uses less digits than its factorization.

51660112124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211721836 (or 211721834 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

Adding to 51660112124 its reverse (42121106615), we get a palindrome (93781218739).

The spelling of 51660112124 in words is "fifty-one billion, six hundred sixty million, one hundred twelve thousand, one hundred twenty-four".