11043435204 has 18 divisors (see below), whose sum is σ = 27915350190. Its totient is φ = 3681145056.

The previous prime is 11043435199. The next prime is 11043435209. The reversal of 11043435204 is 40253434011.

It is a happy number.

11043435204 is a `hidden beast` number, since 1 + 104 + 34 + 3 + 520 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11043435199) and next prime (11043435209).

It can be written as a sum of positive squares in only one way, i.e., 10428494400 + 614940804 = 102120^2 + 24798^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×11043435204² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11043435209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153381009 + ... + 153381080.

Almost surely, 2^11043435204 is an apocalyptic number.

It is an amenable number.

11043435204 is an abundant number, since it is smaller than the sum of its proper divisors (16871914986).

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

11043435204 is a wasteful number, since it uses less digits than its factorization.

11043435204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306762099 (or 306762094 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 11043435204 its reverse (40253434011), we get a palindrome (51296869215).

The spelling of 11043435204 in words is "eleven billion, forty-three million, four hundred thirty-five thousand, two hundred four".