63318115255 has 16 divisors (see below), whose sum is σ = 80459982720. Its totient is φ = 47669642752.

The previous prime is 63318115253. The next prime is 63318115261. The reversal of 63318115255 is 55251181336.

It is a cyclic number.

It is not a de Polignac number, because 63318115255 - 2¹ = 63318115253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63318115253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866481 + ... + 936709.

It is an arithmetic number, because the mean of its divisors is an integer number (5028748920).

Almost surely, 2^63318115255 is an apocalyptic number.

63318115255 is a deficient number, since it is larger than the sum of its proper divisors (17141867465).

63318115255 is a wasteful number, since it uses less digits than its factorization.

63318115255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80858.

The product of its digits is 108000, while the sum is 40.

The spelling of 63318115255 in words is "sixty-three billion, three hundred eighteen million, one hundred fifteen thousand, two hundred fifty-five".