11226678391 has 4 divisors (see below), whose sum is σ = 11276135352. Its totient is φ = 11177221432.

The previous prime is 11226678361. The next prime is 11226678431. The reversal of 11226678391 is 19387662211.

11226678391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11226678391 - 2¹¹ = 11226676343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11226678311) 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 3 ways as a sum of consecutive naturals, for example, 24728140 + ... + 24728593.

It is an arithmetic number, because the mean of its divisors is an integer number (2819033838).

Almost surely, 2^11226678391 is an apocalyptic number.

11226678391 is a deficient number, since it is larger than the sum of its proper divisors (49456961).

11226678391 is an equidigital number, since it uses as much as digits as its factorization.

11226678391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49456960.

The product of its digits is 217728, while the sum is 46.

The spelling of 11226678391 in words is "eleven billion, two hundred twenty-six million, six hundred seventy-eight thousand, three hundred ninety-one".