11142344043 has 40 divisors (see below), whose sum is σ = 17928784896. Its totient is φ = 6876025200.

The previous prime is 11142343999. The next prime is 11142344077. The reversal of 11142344043 is 34044324111.

11142344043 is a `hidden beast` number, since 11 + 14 + 234 + 404 + 3 = 666.

It is not a de Polignac number, because 11142344043 - 2⁸ = 11142343787 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11142343998 and 11142344016.

It is not an unprimeable number, because it can be changed into a prime (11142344443) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38713 + ... + 154218.

Almost surely, 2^11142344043 is an apocalyptic number.

11142344043 is a deficient number, since it is larger than the sum of its proper divisors (6786440853).

11142344043 is a wasteful number, since it uses less digits than its factorization.

11142344043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192997 (or 192988 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 11142344043 its reverse (34044324111), we get a palindrome (45186668154).

The spelling of 11142344043 in words is "eleven billion, one hundred forty-two million, three hundred forty-four thousand, forty-three".