108458085691 has 2 divisors, whose sum is σ = 108458085692. Its totient is φ = 108458085690.

The previous prime is 108458085667. The next prime is 108458085761. The reversal of 108458085691 is 196580854801.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 108458085691 - 2⁷ = 108458085563 is a prime.

It is not a weakly prime, because it can be changed into another prime (108458085611) 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, 54229042845 + 54229042846.

It is an arithmetic number, because the mean of its divisors is an integer number (54229042846).

Almost surely, 2^108458085691 is an apocalyptic number.

108458085691 is a deficient number, since it is larger than the sum of its proper divisors (1).

108458085691 is an equidigital number, since it uses as much as digits as its factorization.

108458085691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 55.

The spelling of 108458085691 in words is "one hundred eight billion, four hundred fifty-eight million, eighty-five thousand, six hundred ninety-one".