109965118 has 4 divisors (see below), whose sum is σ = 164947680. Its totient is φ = 54982558.

The previous prime is 109965067. The next prime is 109965131. The reversal of 109965118 is 811569901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 811569901 = 29 ⋅27985169.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27491278 + ... + 27491281.

It is an arithmetic number, because the mean of its divisors is an integer number (41236920).

Almost surely, 2^109965118 is an apocalyptic number.

109965118 is a deficient number, since it is larger than the sum of its proper divisors (54982562).

109965118 is an equidigital number, since it uses as much as digits as its factorization.

109965118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54982561.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 109965118 is about 10486.4254157458. The cubic root of 109965118 is about 479.0913335920.

The spelling of 109965118 in words is "one hundred nine million, nine hundred sixty-five thousand, one hundred eighteen".