11191093 has 4 divisors (see below), whose sum is σ = 11552128. Its totient is φ = 10830060.

The previous prime is 11191043. The next prime is 11191099. The reversal of 11191093 is 39019111.

11191093 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39019111 = 31 ⋅1258681.

It is a cyclic number.

It is not a de Polignac number, because 11191093 - 2¹³ = 11182901 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 (11191099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180471 + ... + 180532.

It is an arithmetic number, because the mean of its divisors is an integer number (2888032).

Almost surely, 2^11191093 is an apocalyptic number.

It is an amenable number.

11191093 is a deficient number, since it is larger than the sum of its proper divisors (361035).

11191093 is an equidigital number, since it uses as much as digits as its factorization.

11191093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361034.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 11191093 is about 3345.3091038049. The cubic root of 11191093 is about 223.6784621962.

It can be divided in two parts, 111 and 91093, that added together give a square (91204 = 302²).

The spelling of 11191093 in words is "eleven million, one hundred ninety-one thousand, ninety-three".