51144441105 has 32 divisors (see below), whose sum is σ = 82670037120. Its totient is φ = 26997580800.

The previous prime is 51144441083. The next prime is 51144441109. The reversal of 51144441105 is 50114444115.

51144441105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51144441105 - 2⁹ = 51144440593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51144441109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7661049 + ... + 7667721.

It is an arithmetic number, because the mean of its divisors is an integer number (2583438660).

Almost surely, 2^51144441105 is an apocalyptic number.

It is an amenable number.

51144441105 is a deficient number, since it is larger than the sum of its proper divisors (31525596015).

51144441105 is a wasteful number, since it uses less digits than its factorization.

51144441105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11841.

The product of its (nonzero) digits is 6400, while the sum is 30.

It can be divided in two parts, 5114444110 and 5, that added together give a palindrome (5114444115).

The spelling of 51144441105 in words is "fifty-one billion, one hundred forty-four million, four hundred forty-one thousand, one hundred five".