51105412444 has 12 divisors (see below), whose sum is σ = 94695323184. Its totient is φ = 24049605824.

The previous prime is 51105412441. The next prime is 51105412451. The reversal of 51105412444 is 44421450115.

It is a super-2 number, since 2×51105412444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51105412441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375775024 + ... + 375775159.

It is an arithmetic number, because the mean of its divisors is an integer number (7891276932).

Almost surely, 2^51105412444 is an apocalyptic number.

It is an amenable number.

51105412444 is a deficient number, since it is larger than the sum of its proper divisors (43589910740).

51105412444 is a wasteful number, since it uses less digits than its factorization.

51105412444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751550204 (or 751550202 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 51105412444 its reverse (44421450115), we get a palindrome (95526862559).

The spelling of 51105412444 in words is "fifty-one billion, one hundred five million, four hundred twelve thousand, four hundred forty-four".