11106881 has 2 divisors, whose sum is σ = 11106882. Its totient is φ = 11106880.

The previous prime is 11106853. The next prime is 11106923. The reversal of 11106881 is 18860111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7924225 + 3182656 = 2815^2 + 1784^2 .

It is an emirp because it is prime and its reverse (18860111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11106881 - 2⁶ = 11106817 is a prime.

It is a super-2 number, since 2×11106881² = 246725611096322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11106881.

It is not a weakly prime, because it can be changed into another prime (11106281) 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, 5553440 + 5553441.

It is an arithmetic number, because the mean of its divisors is an integer number (5553441).

Almost surely, 2^11106881 is an apocalyptic number.

It is an amenable number.

11106881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11106881 is an equidigital number, since it uses as much as digits as its factorization.

11106881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 26.

The square root of 11106881 is about 3332.6987562635. The cubic root of 11106881 is about 223.1159953421.

Adding to 11106881 its reverse (18860111), we get a palindrome (29966992).

The spelling of 11106881 in words is "eleven million, one hundred six thousand, eight hundred eighty-one".