11443860834 has 64 divisors (see below), whose sum is σ = 26484952320. Its totient is φ = 3228825600.

The previous prime is 11443860809. The next prime is 11443860889. The reversal of 11443860834 is 43806834411.

11443860834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 4084234 + ... + 4087034.

It is an arithmetic number, because the mean of its divisors is an integer number (413827380).

Almost surely, 2^11443860834 is an apocalyptic number.

11443860834 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 11443860834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13242476160).

11443860834 is an abundant number, since it is smaller than the sum of its proper divisors (15041091486).

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

11443860834 is a wasteful number, since it uses less digits than its factorization.

11443860834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3995.

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 11443860834 in words is "eleven billion, four hundred forty-three million, eight hundred sixty thousand, eight hundred thirty-four".