11235641 has 2 divisors, whose sum is σ = 11235642. Its totient is φ = 11235640.

The previous prime is 11235613. The next prime is 11235659. The reversal of 11235641 is 14653211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10916416 + 319225 = 3304^2 + 565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11235641 - 2²² = 7041337 is a prime.

It is a Chen prime.

It is equal to p₇₄₁₀₄₇ and since 11235641 and 741047 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11235241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617820 + 5617821.

It is an arithmetic number, because the mean of its divisors is an integer number (5617821).

Almost surely, 2^11235641 is an apocalyptic number.

It is an amenable number.

11235641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11235641 is an equidigital number, since it uses as much as digits as its factorization.

11235641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 11235641 is about 3351.9607694602. The cubic root of 11235641 is about 223.9748656429.

Adding to 11235641 its reverse (14653211), we get a palindrome (25888852).

It can be divided in two parts, 112 and 35641, that added together give a palindrome (35753).

The spelling of 11235641 in words is "eleven million, two hundred thirty-five thousand, six hundred forty-one".