11203234042 has 32 divisors (see below), whose sum is σ = 22563160704. Its totient is φ = 4029134400.

The previous prime is 11203233893. The next prime is 11203234099. The reversal of 11203234042 is 24043230211.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796009 + ... + 2800012.

It is an arithmetic number, because the mean of its divisors is an integer number (705098772).

Almost surely, 2^11203234042 is an apocalyptic number.

11203234042 is an abundant number, since it is smaller than the sum of its proper divisors (11359926662).

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

11203234042 is a wasteful number, since it uses less digits than its factorization.

11203234042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5596054.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 11203234042 its reverse (24043230211), we get a palindrome (35246464253).

The spelling of 11203234042 in words is "eleven billion, two hundred three million, two hundred thirty-four thousand, forty-two".