108105559 has 4 divisors (see below), whose sum is σ = 108446904. Its totient is φ = 107764216.

The previous prime is 108105553. The next prime is 108105563. The reversal of 108105559 is 955501801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 955501801 = 37 ⋅25824373.

It is a cyclic number.

It is not a de Polignac number, because 108105559 - 2³ = 108105551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108105551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170197 + ... + 170830.

It is an arithmetic number, because the mean of its divisors is an integer number (27111726).

Almost surely, 2^108105559 is an apocalyptic number.

108105559 is a deficient number, since it is larger than the sum of its proper divisors (341345).

108105559 is an equidigital number, since it uses as much as digits as its factorization.

108105559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341344.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 108105559 is about 10397.3823147944. The cubic root of 108105559 is about 476.3754173542.

The spelling of 108105559 in words is "one hundred eight million, one hundred five thousand, five hundred fifty-nine".