109959605 has 16 divisors (see below), whose sum is σ = 151371264. Its totient is φ = 75116160.

The previous prime is 109959599. The next prime is 109959613. The reversal of 109959605 is 506959901.

It is not a de Polignac number, because 109959605 - 2⁶ = 109959541 is a prime.

It is a super-2 number, since 2×109959605² = 24182229463512050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3689 + ... + 15281.

It is an arithmetic number, because the mean of its divisors is an integer number (9460704).

Almost surely, 2^109959605 is an apocalyptic number.

It is an amenable number.

109959605 is a deficient number, since it is larger than the sum of its proper divisors (41411659).

109959605 is a wasteful number, since it uses less digits than its factorization.

109959605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11876.

The product of its (nonzero) digits is 109350, while the sum is 44.

The square root of 109959605 is about 10486.1625488069. The cubic root of 109959605 is about 479.0833271905.

The spelling of 109959605 in words is "one hundred nine million, nine hundred fifty-nine thousand, six hundred five".