110990191 has 8 divisors (see below), whose sum is σ = 125819120. Its totient is φ = 97060032.

The previous prime is 110990189. The next prime is 110990233. The reversal of 110990191 is 191099011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110990191 - 2¹ = 110990189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110990101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224430 + ... + 224923.

It is an arithmetic number, because the mean of its divisors is an integer number (15727390).

Almost surely, 2^110990191 is an apocalyptic number.

110990191 is a deficient number, since it is larger than the sum of its proper divisors (14828929).

110990191 is a wasteful number, since it uses less digits than its factorization.

110990191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449385.

The product of its (nonzero) digits is 729, while the sum is 31.

The square root of 110990191 is about 10535.1882280290. The cubic root of 110990191 is about 480.5753964883.

The spelling of 110990191 in words is "one hundred ten million, nine hundred ninety thousand, one hundred ninety-one".