11191330 has 16 divisors (see below), whose sum is σ = 20300544. Its totient is φ = 4441840.

The previous prime is 11191291. The next prime is 11191331. The reversal of 11191330 is 3319111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11191298 and 11191307.

It is not an unprimeable number, because it can be changed into a prime (11191331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 5581.

It is an arithmetic number, because the mean of its divisors is an integer number (1268784).

Almost surely, 2^11191330 is an apocalyptic number.

11191330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11191330 is a deficient number, since it is larger than the sum of its proper divisors (9109214).

11191330 is a wasteful number, since it uses less digits than its factorization.

11191330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 11191330 is about 3345.3445263530. The cubic root of 11191330 is about 223.6800411728.

The spelling of 11191330 in words is "eleven million, one hundred ninety-one thousand, three hundred thirty".