11111426 has 8 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 5547268.

The previous prime is 11111417. The next prime is 11111431. The reversal of 11111426 is 62411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 5301.

It is an arithmetic number, because the mean of its divisors is an integer number (2086560).

Almost surely, 2^11111426 is an apocalyptic number.

11111426 is a deficient number, since it is larger than the sum of its proper divisors (5581054).

11111426 is an equidigital number, since it uses as much as digits as its factorization.

11111426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448.

The product of its digits is 48, while the sum is 17.

The square root of 11111426 is about 3333.3805663320. The cubic root of 11111426 is about 223.1464246441.

Adding to 11111426 its reverse (62411111), we get a palindrome (73522537).

The spelling of 11111426 in words is "eleven million, one hundred eleven thousand, four hundred twenty-six".