11132291 has 2 divisors, whose sum is σ = 11132292. Its totient is φ = 11132290.

The previous prime is 11132287. The next prime is 11132311. The reversal of 11132291 is 19223111.

It is an a-pointer prime, because the next prime (11132311) can be obtained adding 11132291 to its sum of digits (20).

It is a weak prime.

It is an emirp because it is prime and its reverse (19223111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11132291 - 2² = 11132287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566145 + 5566146.

It is an arithmetic number, because the mean of its divisors is an integer number (5566146).

Almost surely, 2^11132291 is an apocalyptic number.

11132291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132291 is an equidigital number, since it uses as much as digits as its factorization.

11132291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108, while the sum is 20.

The square root of 11132291 is about 3336.5088041245. The cubic root of 11132291 is about 223.2860118545.

The spelling of 11132291 in words is "eleven million, one hundred thirty-two thousand, two hundred ninety-one".