11155049 has 2 divisors, whose sum is σ = 11155050. Its totient is φ = 11155048.

The previous prime is 11154991. The next prime is 11155051. The reversal of 11155049 is 94055111.

11155049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9610000 + 1545049 = 3100^2 + 1243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11155049 is a prime.

Together with 11155051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11155549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577524 + 5577525.

It is an arithmetic number, because the mean of its divisors is an integer number (5577525).

Almost surely, 2^11155049 is an apocalyptic number.

It is an amenable number.

11155049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155049 is an equidigital number, since it uses as much as digits as its factorization.

11155049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 11155049 is about 3339.9175139515. The cubic root of 11155049 is about 223.4380645396.

The spelling of 11155049 in words is "eleven million, one hundred fifty-five thousand, forty-nine".