11355556 has 6 divisors (see below), whose sum is σ = 19872230. Its totient is φ = 5677776.

The previous prime is 11355493. The next prime is 11355563. The reversal of 11355556 is 65555311.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 25600 = 3366^2 + 160^2 .

It is a plaindrome in base 10.

It is an unprimeable number.

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, 1419441 + ... + 1419448.

Almost surely, 2^11355556 is an apocalyptic number.

It is an amenable number.

11355556 is a deficient number, since it is larger than the sum of its proper divisors (8516674).

11355556 is a wasteful number, since it uses less digits than its factorization.

11355556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838893 (or 2838891 counting only the distinct ones).

The product of its digits is 11250, while the sum is 31.

The square root of 11355556 is about 3369.8005875719. The cubic root of 11355556 is about 224.7688556289.

It can be divided in two parts, 11355 and 556, that added together give a palindrome (11911).

The spelling of 11355556 in words is "eleven million, three hundred fifty-five thousand, five hundred fifty-six".