11204140042 has 8 divisors (see below), whose sum is σ = 16807556196. Its totient is φ = 5601621312.

The previous prime is 11204140021. The next prime is 11204140049. The reversal of 11204140042 is 24004140211.

It can be written as a sum of positive squares in 2 ways, for example, as 8728978041 + 2475162001 = 93429^2 + 49751^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11204140049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192223 + ... + 243634.

Almost surely, 2^11204140042 is an apocalyptic number.

11204140042 is a deficient number, since it is larger than the sum of its proper divisors (5603416154).

11204140042 is a wasteful number, since it uses less digits than its factorization.

11204140042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448712.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11204140042 its reverse (24004140211), we get a palindrome (35208280253).

The spelling of 11204140042 in words is "eleven billion, two hundred four million, one hundred forty thousand, forty-two".