190111104 has 64 divisors (see below), whose sum is σ = 561102000. Its totient is φ = 63369216.

The previous prime is 190111081. The next prime is 190111109. The reversal of 190111104 is 401111091.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×190111104² = 72284463728197632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190111109) 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 7 ways as a sum of consecutive naturals, for example, 24049 + ... + 30960.

Almost surely, 2^190111104 is an apocalyptic number.

It is an amenable number.

190111104 is an abundant number, since it is smaller than the sum of its proper divisors (370990896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190111104 is an equidigital number, since it uses as much as digits as its factorization.

190111104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55032 (or 55014 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 190111104 is about 13788.0783287592. The cubic root of 190111104 is about 575.0017431579.

Adding to 190111104 its reverse (401111091), we get a palindrome (591222195).

The spelling of 190111104 in words is "one hundred ninety million, one hundred eleven thousand, one hundred four".