11311333426 has 16 divisors (see below), whose sum is σ = 17184580920. Its totient is φ = 5583339520.

The previous prime is 11311333399. The next prime is 11311333433. The reversal of 11311333426 is 62433311311.

It can be written as a sum of positive squares in 4 ways, for example, as 7535108025 + 3776225401 = 86805^2 + 61451^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11311333394 and 11311333403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64530 + ... + 163666.

Almost surely, 2^11311333426 is an apocalyptic number.

11311333426 is a deficient number, since it is larger than the sum of its proper divisors (5873247494).

11311333426 is an equidigital number, since it uses as much as digits as its factorization.

11311333426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99869.

The product of its digits is 3888, while the sum is 28.

Adding to 11311333426 its reverse (62433311311), we get a palindrome (73744644737).

The spelling of 11311333426 in words is "eleven billion, three hundred eleven million, three hundred thirty-three thousand, four hundred twenty-six".