11193091 has 8 divisors (see below), whose sum is σ = 13776224. Its totient is φ = 8856000.

The previous prime is 11193059. The next prime is 11193167. The reversal of 11193091 is 19039111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11193091 - 2⁵ = 11193059 is a prime.

It is a super-2 number, since 2×11193091² = 250570572268562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11193011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61410 + ... + 61591.

It is an arithmetic number, because the mean of its divisors is an integer number (1722028).

Almost surely, 2^11193091 is an apocalyptic number.

11193091 is a deficient number, since it is larger than the sum of its proper divisors (2583133).

11193091 is a wasteful number, since it uses less digits than its factorization.

11193091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123021.

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

The square root of 11193091 is about 3345.6077175903. The cubic root of 11193091 is about 223.6917728703.

The spelling of 11193091 in words is "eleven million, one hundred ninety-three thousand, ninety-one".