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11255149 is a prime number
BaseRepresentation
bin101010111011…
…110101101101
3210011211011101
4222323311231
510340131044
61041123101
7164444563
oct52736555
923154141
1011255149
116398184
123929491
132440c69
1416cda33
15ec4cd4
hexabbd6d

11255149 has 2 divisors, whose sum is σ = 11255150. Its totient is φ = 11255148.

The previous prime is 11255131. The next prime is 11255177. The reversal of 11255149 is 94155211.

It is an a-pointer prime, because the next prime (11255177) can be obtained adding 11255149 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7739524 + 3515625 = 2782^2 + 1875^2 .

It is an emirp because it is prime and its reverse (94155211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11255149 - 25 = 11255117 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11255249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5627574 + 5627575.

It is an arithmetic number, because the mean of its divisors is an integer number (5627575).

Almost surely, 211255149 is an apocalyptic number.

It is an amenable number.

11255149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11255149 is an equidigital number, since it uses as much as digits as its factorization.

11255149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 11255149 is about 3354.8694460441. The cubic root of 11255149 is about 224.1044169332.

The spelling of 11255149 in words is "eleven million, two hundred fifty-five thousand, one hundred forty-nine".