51565040366133 has 16 divisors (see below), whose sum is σ = 79102650614400. Its totient is φ = 29267980723776.

The previous prime is 51565040366089. The next prime is 51565040366171. The reversal of 51565040366133 is 33166304056515.

It is not a de Polignac number, because 51565040366133 - 2¹⁰ = 51565040365109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51565040362133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8239856310 + ... + 8239862567.

It is an arithmetic number, because the mean of its divisors is an integer number (4943915663400).

Almost surely, 2^{51565040366133} is an apocalyptic number.

It is an amenable number.

51565040366133 is a deficient number, since it is larger than the sum of its proper divisors (27537610248267).

51565040366133 is a wasteful number, since it uses less digits than its factorization.

51565040366133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16479719036.

The product of its (nonzero) digits is 2916000, while the sum is 48.

The spelling of 51565040366133 in words is "fifty-one trillion, five hundred sixty-five billion, forty million, three hundred sixty-six thousand, one hundred thirty-three".