11551229 has 2 divisors, whose sum is σ = 11551230. Its totient is φ = 11551228.

The previous prime is 11551213. The next prime is 11551247. The reversal of 11551229 is 92215511.

11551229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10903204 + 648025 = 3302^2 + 805^2 .

It is an emirp because it is prime and its reverse (92215511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11551229 - 2⁴ = 11551213 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11551198 and 11551207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11551249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775614 + 5775615.

It is an arithmetic number, because the mean of its divisors is an integer number (5775615).

Almost surely, 2^11551229 is an apocalyptic number.

It is an amenable number.

11551229 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551229 is an equidigital number, since it uses as much as digits as its factorization.

11551229 is an evil number, because the sum of its binary digits is even.

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

The square root of 11551229 is about 3398.7099023012. The cubic root of 11551229 is about 226.0525434517.

The spelling of 11551229 in words is "eleven million, five hundred fifty-one thousand, two hundred twenty-nine".