111944105 has 64 divisors (see below), whose sum is σ = 181923840. Its totient is φ = 64094976.

The previous prime is 111944071. The next prime is 111944117. The reversal of 111944105 is 501449111.

It is a cyclic number.

It is not a de Polignac number, because 111944105 - 2¹⁰ = 111943081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198554 + ... + 199116.

It is an arithmetic number, because the mean of its divisors is an integer number (2842560).

Almost surely, 2^111944105 is an apocalyptic number.

It is an amenable number.

111944105 is a deficient number, since it is larger than the sum of its proper divisors (69979735).

111944105 is a wasteful number, since it uses less digits than its factorization.

111944105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 111944105 is about 10580.3641241689. The cubic root of 111944105 is about 481.9482520503.

The spelling of 111944105 in words is "one hundred eleven million, nine hundred forty-four thousand, one hundred five".