108545911849 has 2 divisors, whose sum is σ = 108545911850. Its totient is φ = 108545911848.

The previous prime is 108545911823. The next prime is 108545911867. The reversal of 108545911849 is 948119545801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80489661849 + 28056250000 = 283707^2 + 167500^2 .

It is an emirp because it is prime and its reverse (948119545801) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108545911849 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108545911849.

It is not a weakly prime, because it can be changed into another prime (108545911819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54272955924 + 54272955925.

It is an arithmetic number, because the mean of its divisors is an integer number (54272955925).

Almost surely, 2^108545911849 is an apocalyptic number.

It is an amenable number.

108545911849 is a deficient number, since it is larger than the sum of its proper divisors (1).

108545911849 is an equidigital number, since it uses as much as digits as its factorization.

108545911849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 108545911849 in words is "one hundred eight billion, five hundred forty-five million, nine hundred eleven thousand, eight hundred forty-nine".