11191315 has 8 divisors (see below), whose sum is σ = 13474368. Its totient is φ = 8923200.

The previous prime is 11191291. The next prime is 11191331. The reversal of 11191315 is 51319111.

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

It is not a de Polignac number, because 11191315 - 2⁵ = 11191283 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 5140.

It is an arithmetic number, because the mean of its divisors is an integer number (1684296).

Almost surely, 2^11191315 is an apocalyptic number.

11191315 is a deficient number, since it is larger than the sum of its proper divisors (2283053).

11191315 is an equidigital number, since it uses as much as digits as its factorization.

11191315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469.

The product of its digits is 135, while the sum is 22.

The square root of 11191315 is about 3345.3422844307. The cubic root of 11191315 is about 223.6799412383.

The spelling of 11191315 in words is "eleven million, one hundred ninety-one thousand, three hundred fifteen".