11433203442 has 12 divisors (see below), whose sum is σ = 24771940830. Its totient is φ = 3811067808.

The previous prime is 11433203387. The next prime is 11433203447. The reversal of 11433203442 is 24430233411.

11433203442 is a `hidden beast` number, since 1 + 14 + 3 + 3 + 203 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11193851601 + 239351841 = 105801^2 + 15471^2 .

It is not an unprimeable number, because it can be changed into a prime (11433203447) 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 in 5 ways as a sum of consecutive naturals, for example, 317588967 + ... + 317589002.

Almost surely, 2^11433203442 is an apocalyptic number.

11433203442 is an abundant number, since it is smaller than the sum of its proper divisors (13338737388).

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

11433203442 is a wasteful number, since it uses less digits than its factorization.

11433203442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635177977 (or 635177974 counting only the distinct ones).

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

Adding to 11433203442 its reverse (24430233411), we get a palindrome (35863436853).

The spelling of 11433203442 in words is "eleven billion, four hundred thirty-three million, two hundred three thousand, four hundred forty-two".