11403043434 has 40 divisors (see below), whose sum is σ = 25558770468. Its totient is φ = 3799897920.

The previous prime is 11403043417. The next prime is 11403043459. The reversal of 11403043434 is 43434030411.

11403043434 is a `hidden beast` number, since 1 + 14 + 0 + 304 + 343 + 4 = 666.

11403043434 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 9917172225 + 1485871209 = 99585^2 + 38547^2 .

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 = 11403043398 and 11403043407.

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 19 ways as a sum of consecutive naturals, for example, 687924 + ... + 704304.

Almost surely, 2^11403043434 is an apocalyptic number.

11403043434 is an abundant number, since it is smaller than the sum of its proper divisors (14155727034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11403043434 is a wasteful number, since it uses less digits than its factorization.

11403043434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20692 (or 20683 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 11403043434 its reverse (43434030411), we get a palindrome (54837073845).

It can be divided in two parts, 114030 and 43434, that added together give a cube (157464 = 54³).

The spelling of 11403043434 in words is "eleven billion, four hundred three million, forty-three thousand, four hundred thirty-four".