11155297 has 2 divisors, whose sum is σ = 11155298. Its totient is φ = 11155296.

The previous prime is 11155289. The next prime is 11155327. The reversal of 11155297 is 79255111.

11155297 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., 8346321 + 2808976 = 2889^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 11155297 - 2³ = 11155289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11155267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577648 + 5577649.

It is an arithmetic number, because the mean of its divisors is an integer number (5577649).

Almost surely, 2^11155297 is an apocalyptic number.

It is an amenable number.

11155297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11155297 is an equidigital number, since it uses as much as digits as its factorization.

11155297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3150, while the sum is 31.

The square root of 11155297 is about 3339.9546404106. The cubic root of 11155297 is about 223.4397203587.

The spelling of 11155297 in words is "eleven million, one hundred fifty-five thousand, two hundred ninety-seven".