11355563 has 2 divisors, whose sum is σ = 11355564. Its totient is φ = 11355562.

The previous prime is 11355493. The next prime is 11355571. The reversal of 11355563 is 36555311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11355563 - 2¹² = 11351467 is a prime.

It is a super-2 number, since 2×11355563² = 257897622093938, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (11355593) 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, 5677781 + 5677782.

It is an arithmetic number, because the mean of its divisors is an integer number (5677782).

Almost surely, 2^11355563 is an apocalyptic number.

11355563 is a deficient number, since it is larger than the sum of its proper divisors (1).

11355563 is an equidigital number, since it uses as much as digits as its factorization.

11355563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6750, while the sum is 29.

The square root of 11355563 is about 3369.8016262089. The cubic root of 11355563 is about 224.7689018143.

It can be divided in two parts, 11 and 355563, that multiplied together give a palindrome (3911193).

The spelling of 11355563 in words is "eleven million, three hundred fifty-five thousand, five hundred sixty-three".