108118488641 has 2 divisors, whose sum is σ = 108118488642. Its totient is φ = 108118488640.

The previous prime is 108118488617. The next prime is 108118488661. The reversal of 108118488641 is 146884811801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106224498241 + 1893990400 = 325921^2 + 43520^2 .

It is a cyclic number.

It is not a de Polignac number, because 108118488641 - 2¹⁸ = 108118226497 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108118488641.

It is not a weakly prime, because it can be changed into another prime (108118488661) by changing a digit.

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 as a sum of consecutive naturals, namely, 54059244320 + 54059244321.

It is an arithmetic number, because the mean of its divisors is an integer number (54059244321).

Almost surely, 2^108118488641 is an apocalyptic number.

It is an amenable number.

108118488641 is a deficient number, since it is larger than the sum of its proper divisors (1).

108118488641 is an equidigital number, since it uses as much as digits as its factorization.

108118488641 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 108118488641 in words is "one hundred eight billion, one hundred eighteen million, four hundred eighty-eight thousand, six hundred forty-one".