109105579 has 12 divisors (see below), whose sum is σ = 120200080. Its totient is φ = 98960400.

The previous prime is 109105561. The next prime is 109105589. The reversal of 109105579 is 975501901.

It is a happy number.

It is not a de Polignac number, because 109105579 - 2⁹ = 109105067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109105589) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75637 + ... + 77065.

Almost surely, 2^109105579 is an apocalyptic number.

109105579 is a deficient number, since it is larger than the sum of its proper divisors (11094501).

109105579 is a wasteful number, since it uses less digits than its factorization.

109105579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2071 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 37.

The square root of 109105579 is about 10445.3616021658. The cubic root of 109105579 is about 477.8397994340.

The spelling of 109105579 in words is "one hundred nine million, one hundred five thousand, five hundred seventy-nine".