108403580891 has 2 divisors, whose sum is σ = 108403580892. Its totient is φ = 108403580890.

The previous prime is 108403580867. The next prime is 108403580921. The reversal of 108403580891 is 198085304801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108403580891 - 2⁶ = 108403580827 is a prime.

It is not a weakly prime, because it can be changed into another prime (108403580861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54201790445 + 54201790446.

It is an arithmetic number, because the mean of its divisors is an integer number (54201790446).

Almost surely, 2^108403580891 is an apocalyptic number.

108403580891 is a deficient number, since it is larger than the sum of its proper divisors (1).

108403580891 is an equidigital number, since it uses as much as digits as its factorization.

108403580891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 108403580891 in words is "one hundred eight billion, four hundred three million, five hundred eighty thousand, eight hundred ninety-one".