11030191 has 4 divisors (see below), whose sum is σ = 11061792. Its totient is φ = 10998592.

The previous prime is 11030177. The next prime is 11030197. The reversal of 11030191 is 19103011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11030191 - 2⁹ = 11029679 is a prime.

It is a super-2 number, since 2×11030191² = 243330226992962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11030197) 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 3 ways as a sum of consecutive naturals, for example, 15271 + ... + 15976.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 2^11030191 is an apocalyptic number.

11030191 is a deficient number, since it is larger than the sum of its proper divisors (31601).

11030191 is an equidigital number, since it uses as much as digits as its factorization.

11030191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31600.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 11030191 is about 3321.1731361072. The cubic root of 11030191 is about 222.6012904134.

The spelling of 11030191 in words is "eleven million, thirty thousand, one hundred ninety-one".