11042243012 has 12 divisors (see below), whose sum is σ = 19568532480. Its totient is φ = 5451233736.

The previous prime is 11042242993. The next prime is 11042243063. The reversal of 11042243012 is 21034224011.

It is a super-2 number, since 2×11042243012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17471588 + ... + 17472219.

It is an arithmetic number, because the mean of its divisors is an integer number (1630711040).

Almost surely, 2^11042243012 is an apocalyptic number.

It is an amenable number.

11042243012 is a deficient number, since it is larger than the sum of its proper divisors (8526289468).

11042243012 is a wasteful number, since it uses less digits than its factorization.

11042243012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34943890 (or 34943888 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11042243012 its reverse (21034224011), we get a palindrome (32076467023).

The spelling of 11042243012 in words is "eleven billion, forty-two million, two hundred forty-three thousand, twelve".