11155411 has 2 divisors, whose sum is σ = 11155412. Its totient is φ = 11155410.

The previous prime is 11155409. The next prime is 11155421. The reversal of 11155411 is 11455111.

It is a weak prime.

It is an emirp because it is prime and its reverse (11455111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11155411 - 2¹ = 11155409 is a prime.

Together with 11155409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11155421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577705 + 5577706.

It is an arithmetic number, because the mean of its divisors is an integer number (5577706).

Almost surely, 2^11155411 is an apocalyptic number.

11155411 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155411 is an equidigital number, since it uses as much as digits as its factorization.

11155411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100, while the sum is 19.

The square root of 11155411 is about 3339.9717064670. The cubic root of 11155411 is about 223.4404814931.

The spelling of 11155411 in words is "eleven million, one hundred fifty-five thousand, four hundred eleven".