11243042042 has 16 divisors (see below), whose sum is σ = 17372599200. Its totient is φ = 5453930832.

The previous prime is 11243042039. The next prime is 11243042051. The reversal of 11243042042 is 24024034211.

It is a junction number, because it is equal to n+sod(n) for n = 11243041999 and 11243042017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425888 + ... + 451515.

It is an arithmetic number, because the mean of its divisors is an integer number (1085787450).

Almost surely, 2^11243042042 is an apocalyptic number.

11243042042 is a deficient number, since it is larger than the sum of its proper divisors (6129557158).

11243042042 is a wasteful number, since it uses less digits than its factorization.

11243042042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877597.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 11243042042 its reverse (24024034211), we get a palindrome (35267076253).

The spelling of 11243042042 in words is "eleven billion, two hundred forty-three million, forty-two thousand, forty-two".