51565040366036 has 12 divisors (see below), whose sum is σ = 90239290559712. Its totient is φ = 25782385920408.

The previous prime is 51565040366023. The next prime is 51565040366039. The reversal of 51565040366036 is 63066304056515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51565040366039) 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 3 ways as a sum of consecutive naturals, for example, 32699030 + ... + 34239693.

It is an arithmetic number, because the mean of its divisors is an integer number (7519940879976).

Almost surely, 2^{51565040366036} is an apocalyptic number.

It is an amenable number.

51565040366036 is a deficient number, since it is larger than the sum of its proper divisors (38674250193676).

51565040366036 is a wasteful number, since it uses less digits than its factorization.

51565040366036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67131310 (or 67131308 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 50.

The spelling of 51565040366036 in words is "fifty-one trillion, five hundred sixty-five billion, forty million, three hundred sixty-six thousand, thirty-six".