11191417 has 4 divisors (see below), whose sum is σ = 11260240. Its totient is φ = 11122596.

The previous prime is 11191381. The next prime is 11191429. The reversal of 11191417 is 71419111.

11191417 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.

It is a cyclic number.

It is not a de Polignac number, because 11191417 - 2⁷ = 11191289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11191391 and 11191400.

It is not an unprimeable number, because it can be changed into a prime (11191717) 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, 34167 + ... + 34492.

It is an arithmetic number, because the mean of its divisors is an integer number (2815060).

Almost surely, 2^11191417 is an apocalyptic number.

It is an amenable number.

11191417 is a deficient number, since it is larger than the sum of its proper divisors (68823).

11191417 is an equidigital number, since it uses as much as digits as its factorization.

11191417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68822.

The product of its digits is 252, while the sum is 25.

The square root of 11191417 is about 3345.3575294727. The cubic root of 11191417 is about 223.6806207915.

The spelling of 11191417 in words is "eleven million, one hundred ninety-one thousand, four hundred seventeen".