11043238842 has 20 divisors (see below), whose sum is σ = 24745035546. Its totient is φ = 3681079560.

The previous prime is 11043238771. The next prime is 11043238859. The reversal of 11043238842 is 24883234011.

It is a happy number.

11043238842 is a `hidden beast` number, since 110 + 432 + 38 + 84 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10822448961 + 220789881 = 104031^2 + 14859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11043238797 and 11043238806.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34083909 + ... + 34084232.

Almost surely, 2^11043238842 is an apocalyptic number.

11043238842 is an abundant number, since it is smaller than the sum of its proper divisors (13701796704).

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

11043238842 is an equidigital number, since it uses as much as digits as its factorization.

11043238842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68168155 (or 68168146 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 11043238842 in words is "eleven billion, forty-three million, two hundred thirty-eight thousand, eight hundred forty-two".