51105958312 has 16 divisors (see below), whose sum is σ = 96177268800. Its totient is φ = 25458686640.

The previous prime is 51105958303. The next prime is 51105958357. The reversal of 51105958312 is 21385950115.

It is a happy number.

It is a super-2 number, since 2×51105958312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 11784262 + ... + 11788597.

It is an arithmetic number, because the mean of its divisors is an integer number (6011079300).

Almost surely, 2^51105958312 is an apocalyptic number.

It is an amenable number.

51105958312 is a deficient number, since it is larger than the sum of its proper divisors (45071310488).

51105958312 is a wasteful number, since it uses less digits than its factorization.

51105958312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23573136 (or 23573132 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 40.

The spelling of 51105958312 in words is "fifty-one billion, one hundred five million, nine hundred fifty-eight thousand, three hundred twelve".