109945611 has 12 divisors (see below), whose sum is σ = 163102992. Its totient is φ = 71315856.

The previous prime is 109945597. The next prime is 109945631. The reversal of 109945611 is 116549901.

109945611 is a `hidden beast` number, since 1 + 0 + 9 + 94 + 561 + 1 = 666.

It is not a de Polignac number, because 109945611 - 2⁶ = 109945547 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (109945631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164751 + ... + 165416.

It is an arithmetic number, because the mean of its divisors is an integer number (13591916).

Almost surely, 2^109945611 is an apocalyptic number.

109945611 is a deficient number, since it is larger than the sum of its proper divisors (53157381).

109945611 is a wasteful number, since it uses less digits than its factorization.

109945611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330210 (or 330207 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The square root of 109945611 is about 10485.4952672728. The cubic root of 109945611 is about 479.0630028283.

The spelling of 109945611 in words is "one hundred nine million, nine hundred forty-five thousand, six hundred eleven".