11811026 has 4 divisors (see below), whose sum is σ = 17716542. Its totient is φ = 5905512.

The previous prime is 11811001. The next prime is 11811043. The reversal of 11811026 is 62011811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62011811 = 31 ⋅2000381.

It can be written as a sum of positive squares in only one way, i.e., 7295401 + 4515625 = 2701^2 + 2125^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11810989 and 11811007.

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, 2952755 + ... + 2952758.

Almost surely, 2^11811026 is an apocalyptic number.

11811026 is a deficient number, since it is larger than the sum of its proper divisors (5905516).

11811026 is an equidigital number, since it uses as much as digits as its factorization.

11811026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5905515.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 11811026 is about 3436.7173290802. The cubic root of 11811026 is about 227.7346996244.

Adding to 11811026 its reverse (62011811), we get a palindrome (73822837).

The spelling of 11811026 in words is "eleven million, eight hundred eleven thousand, twenty-six".