108648118636805 has 128 divisors (see below), whose sum is σ = 158300178163200. Its totient is φ = 70651942502400.

The previous prime is 108648118636787. The next prime is 108648118636831. The reversal of 108648118636805 is 508636811846801.

It is not a de Polignac number, because 108648118636805 - 2⁶ = 108648118636741 is a prime.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 833260106 + ... + 833390484.

It is an arithmetic number, because the mean of its divisors is an integer number (1236720141900).

Almost surely, 2^{108648118636805} is an apocalyptic number.

It is an amenable number.

108648118636805 is a deficient number, since it is larger than the sum of its proper divisors (49652059526395).

108648118636805 is a wasteful number, since it uses less digits than its factorization.

108648118636805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130935.

The product of its (nonzero) digits is 53084160, while the sum is 65.

The spelling of 108648118636805 in words is "one hundred eight trillion, six hundred forty-eight billion, one hundred eighteen million, six hundred thirty-six thousand, eight hundred five".