51120110612 has 24 divisors (see below), whose sum is σ = 90853002240. Its totient is φ = 25165183680.

The previous prime is 51120110549. The next prime is 51120110633. The reversal of 51120110612 is 21601102115.

It is a super-2 number, since 2×51120110612² (a number of 22 digits) contains 22 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317537 + ... + 450632.

It is an arithmetic number, because the mean of its divisors is an integer number (3785541760).

Almost surely, 2^51120110612 is an apocalyptic number.

It is an amenable number.

51120110612 is a deficient number, since it is larger than the sum of its proper divisors (39732891628).

51120110612 is a wasteful number, since it uses less digits than its factorization.

51120110612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768431 (or 768429 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 51120110612 its reverse (21601102115), we get a palindrome (72721212727).

The spelling of 51120110612 in words is "fifty-one billion, one hundred twenty million, one hundred ten thousand, six hundred twelve".