11403243441 has 12 divisors (see below), whose sum is σ = 16480738560. Its totient is φ = 7597829880.

The previous prime is 11403243427. The next prime is 11403243451. The reversal of 11403243441 is 14434230411.

11403243441 is a `hidden beast` number, since 11 + 403 + 243 + 4 + 4 + 1 = 666.

It is not a de Polignac number, because 11403243441 - 2⁶ = 11403243377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11403243451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 344325 + ... + 375986.

It is an arithmetic number, because the mean of its divisors is an integer number (1373394880).

Almost surely, 2^11403243441 is an apocalyptic number.

It is an amenable number.

11403243441 is a deficient number, since it is larger than the sum of its proper divisors (5077495119).

11403243441 is a wasteful number, since it uses less digits than its factorization.

11403243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722076 (or 722073 counting only the distinct ones).

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

Adding to 11403243441 its reverse (14434230411), we get a palindrome (25837473852).

The spelling of 11403243441 in words is "eleven billion, four hundred three million, two hundred forty-three thousand, four hundred forty-one".