11403240241 has 4 divisors (see below), whose sum is σ = 12003410800. Its totient is φ = 10803069684.

The previous prime is 11403240223. The next prime is 11403240257. The reversal of 11403240241 is 14204230411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11403240241 - 2⁵ = 11403240209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11403240941) 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 3 ways as a sum of consecutive naturals, for example, 300085251 + ... + 300085288.

It is an arithmetic number, because the mean of its divisors is an integer number (3000852700).

Almost surely, 2^11403240241 is an apocalyptic number.

It is an amenable number.

11403240241 is a deficient number, since it is larger than the sum of its proper divisors (600170559).

11403240241 is an equidigital number, since it uses as much as digits as its factorization.

11403240241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600170558.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11403240241 its reverse (14204230411), we get a palindrome (25607470652).

The spelling of 11403240241 in words is "eleven billion, four hundred three million, two hundred forty thousand, two hundred forty-one".