11426855 has 16 divisors (see below), whose sum is σ = 15025824. Its totient is φ = 8273280.

The previous prime is 11426827. The next prime is 11426861. The reversal of 11426855 is 55862411.

It is not a de Polignac number, because 11426855 - 2¹⁴ = 11410471 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20237 + ... + 20793.

It is an arithmetic number, because the mean of its divisors is an integer number (939114).

Almost surely, 2^11426855 is an apocalyptic number.

11426855 is a deficient number, since it is larger than the sum of its proper divisors (3598969).

11426855 is a wasteful number, since it uses less digits than its factorization.

11426855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its digits is 9600, while the sum is 32.

The square root of 11426855 is about 3380.3631461723. The cubic root of 11426855 is about 225.2382989672.

Subtracting 11426855 from its reverse (55862411), we obtain a square (44435556 = 6666²).

It can be divided in two parts, 1142 and 6855, that added together give a palindrome (7997).

The spelling of 11426855 in words is "eleven million, four hundred twenty-six thousand, eight hundred fifty-five".