11313557 has 2 divisors, whose sum is σ = 11313558. Its totient is φ = 11313556.

The previous prime is 11313521. The next prime is 11313559. The reversal of 11313557 is 75531311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 1833316 = 3079^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 11313557 - 2⁸ = 11313301 is a prime.

Together with 11313559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11313559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656778 + 5656779.

It is an arithmetic number, because the mean of its divisors is an integer number (5656779).

Almost surely, 2^11313557 is an apocalyptic number.

It is an amenable number.

11313557 is a deficient number, since it is larger than the sum of its proper divisors (1).

11313557 is an equidigital number, since it uses as much as digits as its factorization.

11313557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1575, while the sum is 26.

The square root of 11313557 is about 3363.5631404806. The cubic root of 11313557 is about 224.4914076172.

Adding to 11313557 its reverse (75531311), we get a palindrome (86844868).

The spelling of 11313557 in words is "eleven million, three hundred thirteen thousand, five hundred fifty-seven".