11426811 has 16 divisors (see below), whose sum is σ = 16858368. Its totient is φ = 6826400.

The previous prime is 11426803. The next prime is 11426819. The reversal of 11426811 is 11862411.

It is an interprime number because it is at equal distance from previous prime (11426803) and next prime (11426819).

It is a cyclic number.

It is not a de Polignac number, because 11426811 - 2³ = 11426803 is a prime.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (11426819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96 + ... + 4781.

It is an arithmetic number, because the mean of its divisors is an integer number (1053648).

Almost surely, 2^11426811 is an apocalyptic number.

11426811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11426811 is a deficient number, since it is larger than the sum of its proper divisors (5431557).

11426811 is a wasteful number, since it uses less digits than its factorization.

11426811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962.

The product of its digits is 384, while the sum is 24.

The square root of 11426811 is about 3380.3566379895. The cubic root of 11426811 is about 225.2380098676.

Subtracting 11426811 from its reverse (11862411), we obtain a square (435600 = 660²).

The spelling of 11426811 in words is "eleven million, four hundred twenty-six thousand, eight hundred eleven".