11026609 has 6 divisors (see below), whose sum is σ = 12120290. Its totient is φ = 10024080.

The previous prime is 11026601. The next prime is 11026627. The reversal of 11026609 is 90662011.

It can be written as a sum of positive squares in only one way, i.e., 9284209 + 1742400 = 3047^2 + 1320^2 .

It is not a de Polignac number, because 11026609 - 2³ = 11026601 is a prime.

It is a super-2 number, since 2×11026609² = 243172212077762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11026601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45444 + ... + 45685.

Almost surely, 2^11026609 is an apocalyptic number.

It is an amenable number.

11026609 is a deficient number, since it is larger than the sum of its proper divisors (1093681).

11026609 is an equidigital number, since it uses as much as digits as its factorization.

11026609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91151 (or 91140 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11026609 is about 3320.6338250400. The cubic root of 11026609 is about 222.5771915816.

It can be divided in two parts, 110 and 26609, that multiplied together give a triangular number (2926990 = T₂₄₁₉).

The spelling of 11026609 in words is "eleven million, twenty-six thousand, six hundred nine".