11043400042 has 8 divisors (see below), whose sum is σ = 17136310500. Its totient is φ = 5331296544.

The previous prime is 11043400007. The next prime is 11043400057. The reversal of 11043400042 is 24000434011.

11043400042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9606156121 + 1437243921 = 98011^2 + 37911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11043399992 and 11043400019.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95201667 + ... + 95201782.

Almost surely, 2^11043400042 is an apocalyptic number.

11043400042 is a deficient number, since it is larger than the sum of its proper divisors (6092910458).

11043400042 is a wasteful number, since it uses less digits than its factorization.

11043400042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190403480.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 11043400042 its reverse (24000434011), we get a palindrome (35043834053).

The spelling of 11043400042 in words is "eleven billion, forty-three million, four hundred thousand, forty-two".