11403443042 has 4 divisors (see below), whose sum is σ = 17105164566. Its totient is φ = 5701721520.

The previous prime is 11403443041. The next prime is 11403443057. The reversal of 11403443042 is 24034430411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11033611681 + 369831361 = 105041^2 + 19231^2 .

It is not an unprimeable number, because it can be changed into a prime (11403443041) by changing a digit.

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 as a sum of consecutive naturals, namely, 2850860759 + ... + 2850860762.

Almost surely, 2^11403443042 is an apocalyptic number.

11403443042 is a deficient number, since it is larger than the sum of its proper divisors (5701721524).

11403443042 is an equidigital number, since it uses as much as digits as its factorization.

11403443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5701721523.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11403443042 its reverse (24034430411), we get a palindrome (35437873453).

The spelling of 11403443042 in words is "eleven billion, four hundred three million, four hundred forty-three thousand, forty-two".