11286426838 has 4 divisors (see below), whose sum is σ = 16929640260. Its totient is φ = 5643213418.

The previous prime is 11286426829. The next prime is 11286426839. The reversal of 11286426838 is 83862468211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11286426791 and 11286426800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11286426839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2821606708 + ... + 2821606711.

It is an arithmetic number, because the mean of its divisors is an integer number (4232410065).

Almost surely, 2^11286426838 is an apocalyptic number.

11286426838 is a deficient number, since it is larger than the sum of its proper divisors (5643213422).

11286426838 is an equidigital number, since it uses as much as digits as its factorization.

11286426838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5643213421.

The product of its digits is 884736, while the sum is 49.

The spelling of 11286426838 in words is "eleven billion, two hundred eighty-six million, four hundred twenty-six thousand, eight hundred thirty-eight".