69805712055 has 32 divisors (see below), whose sum is σ = 118224403200. Its totient is φ = 35073188352.

The previous prime is 69805712047. The next prime is 69805712059. The reversal of 69805712055 is 55021750896.

It is a happy number.

It is not a de Polignac number, because 69805712055 - 2³ = 69805712047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 69805711995 and 69805712013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69805712059) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 633154 + ... + 735183.

It is an arithmetic number, because the mean of its divisors is an integer number (3694512600).

Almost surely, 2^69805712055 is an apocalyptic number.

69805712055 is a deficient number, since it is larger than the sum of its proper divisors (48418691145).

69805712055 is a wasteful number, since it uses less digits than its factorization.

69805712055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368543.

The product of its (nonzero) digits is 756000, while the sum is 48.

The spelling of 69805712055 in words is "sixty-nine billion, eight hundred five million, seven hundred twelve thousand, fifty-five".