11108890 has 16 divisors (see below), whose sum is σ = 21534408. Its totient is φ = 4101696.

The previous prime is 11108879. The next prime is 11108897. The reversal of 11108890 is 9880111.

It is a Cunningham number, because it is equal to 3333²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8242641 + 2866249 = 2871^2 + 1693^2 .

It is not an unprimeable number, because it can be changed into a prime (11108897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42597 + ... + 42856.

Almost surely, 2^11108890 is an apocalyptic number.

11108890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11108890 is a deficient number, since it is larger than the sum of its proper divisors (10425518).

11108890 is a wasteful number, since it uses less digits than its factorization.

11108890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85473.

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 11108890 is about 3333.0001500150. Note that the first 3 decimals coincide. The cubic root of 11108890 is about 223.1294468535.

It can be divided in two parts, 1110 and 8890, that added together give a 4-th power (10000 = 10⁴).

The spelling of 11108890 in words is "eleven million, one hundred eight thousand, eight hundred ninety".