11331426834 has 144 divisors (see below), whose sum is σ = 31892882112. Its totient is φ = 2831070528.

The previous prime is 11331426829. The next prime is 11331426863. The reversal of 11331426834 is 43862413311.

11331426834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 581737 + ... + 600899.

It is an arithmetic number, because the mean of its divisors is an integer number (221478348).

Almost surely, 2^11331426834 is an apocalyptic number.

11331426834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11331426834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15946441056).

11331426834 is an abundant number, since it is smaller than the sum of its proper divisors (20561455278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11331426834 is a wasteful number, since it uses less digits than its factorization.

11331426834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19229 (or 19207 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 11331426834 in words is "eleven billion, three hundred thirty-one million, four hundred twenty-six thousand, eight hundred thirty-four".