108641841881 has 2 divisors, whose sum is σ = 108641841882. Its totient is φ = 108641841880.

The previous prime is 108641841851. The next prime is 108641841883. The reversal of 108641841881 is 188148146801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99676592656 + 8965249225 = 315716^2 + 94685^2 .

It is a cyclic number.

It is not a de Polignac number, because 108641841881 - 2²² = 108637647577 is a prime.

It is a super-2 number, since 2×108641841881² (a number of 23 digits) contains 22 as substring.

Together with 108641841883, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (108641841883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54320920940 + 54320920941.

It is an arithmetic number, because the mean of its divisors is an integer number (54320920941).

Almost surely, 2^108641841881 is an apocalyptic number.

It is an amenable number.

108641841881 is a deficient number, since it is larger than the sum of its proper divisors (1).

108641841881 is an equidigital number, since it uses as much as digits as its factorization.

108641841881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393216, while the sum is 50.

The spelling of 108641841881 in words is "one hundred eight billion, six hundred forty-one million, eight hundred forty-one thousand, eight hundred eighty-one".