11091371 has 2 divisors, whose sum is σ = 11091372. Its totient is φ = 11091370.

The previous prime is 11091347. The next prime is 11091413. The reversal of 11091371 is 17319011.

It is a weak prime.

It is an emirp because it is prime and its reverse (17319011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11091371 is a prime.

It is a super-3 number, since 3×11091371³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11091341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545685 + 5545686.

It is an arithmetic number, because the mean of its divisors is an integer number (5545686).

Almost surely, 2^11091371 is an apocalyptic number.

11091371 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091371 is an equidigital number, since it uses as much as digits as its factorization.

11091371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11091371 is about 3330.3710003542. The cubic root of 11091371 is about 223.0120915508.

The spelling of 11091371 in words is "eleven million, ninety-one thousand, three hundred seventy-one".