11043684234 has 64 divisors (see below), whose sum is σ = 26816849280. Its totient is φ = 3341036160.

The previous prime is 11043684221. The next prime is 11043684259. The reversal of 11043684234 is 43248634011.

11043684234 is a `hidden beast` number, since 110 + 436 + 84 + 2 + 34 = 666.

It is a super-2 number, since 2×11043684234² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351432 + ... + 381564.

It is an arithmetic number, because the mean of its divisors is an integer number (419013270).

Almost surely, 2^11043684234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043684234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13408424640).

11043684234 is an abundant number, since it is smaller than the sum of its proper divisors (15773165046).

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

11043684234 is a wasteful number, since it uses less digits than its factorization.

11043684234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30772 (or 30766 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 11043684234 in words is "eleven billion, forty-three million, six hundred eighty-four thousand, two hundred thirty-four".