108618718463 has 2 divisors, whose sum is σ = 108618718464. Its totient is φ = 108618718462.

The previous prime is 108618718459. The next prime is 108618718493. The reversal of 108618718463 is 364817816801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108618718463 - 2² = 108618718459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108618718423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54309359231 + 54309359232.

It is an arithmetic number, because the mean of its divisors is an integer number (54309359232).

Almost surely, 2^108618718463 is an apocalyptic number.

108618718463 is a deficient number, since it is larger than the sum of its proper divisors (1).

108618718463 is an equidigital number, since it uses as much as digits as its factorization.

108618718463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 53.

The spelling of 108618718463 in words is "one hundred eight billion, six hundred eighteen million, seven hundred eighteen thousand, four hundred sixty-three".