11380191 has 16 divisors (see below), whose sum is σ = 16153344. Its totient is φ = 7101824.

The previous prime is 11380181. The next prime is 11380207. The reversal of 11380191 is 19108311.

It is a cyclic number.

It is not a de Polignac number, because 11380191 - 2⁹ = 11379679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11086 + ... + 12068.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584).

Almost surely, 2^11380191 is an apocalyptic number.

11380191 is a deficient number, since it is larger than the sum of its proper divisors (4773153).

11380191 is a wasteful number, since it uses less digits than its factorization.

11380191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 11380191 is about 3373.4538680705. The cubic root of 11380191 is about 224.9312777776.

The spelling of 11380191 in words is "eleven million, three hundred eighty thousand, one hundred ninety-one".