11191137 has 8 divisors (see below), whose sum is σ = 15268704. Its totient is φ = 7287168.

The previous prime is 11191099. The next prime is 11191153. The reversal of 11191137 is 73119111.

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

It is not a de Polignac number, because 11191137 - 2⁷ = 11191009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11191157) 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, 43248 + ... + 43505.

It is an arithmetic number, because the mean of its divisors is an integer number (1908588).

Almost surely, 2^11191137 is an apocalyptic number.

It is an amenable number.

11191137 is a deficient number, since it is larger than the sum of its proper divisors (4077567).

11191137 is an equidigital number, since it uses as much as digits as its factorization.

11191137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86799.

The product of its digits is 189, while the sum is 24.

The square root of 11191137 is about 3345.3156801713. The cubic root of 11191137 is about 223.6787553413.

The spelling of 11191137 in words is "eleven million, one hundred ninety-one thousand, one hundred thirty-seven".