11241340403 has 4 divisors (see below), whose sum is σ = 11502766968. Its totient is φ = 10979913840.

The previous prime is 11241340351. The next prime is 11241340427. The reversal of 11241340403 is 30404314211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30404314211 = 110927 ⋅274093.

It is a cyclic number.

It is not a de Polignac number, because 11241340403 - 2⁶ = 11241340339 is a prime.

It is a super-2 number, since 2×11241340403² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11241340463) 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, 130713218 + ... + 130713303.

It is an arithmetic number, because the mean of its divisors is an integer number (2875691742).

Almost surely, 2^11241340403 is an apocalyptic number.

11241340403 is a deficient number, since it is larger than the sum of its proper divisors (261426565).

11241340403 is an equidigital number, since it uses as much as digits as its factorization.

11241340403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261426564.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11241340403 its reverse (30404314211), we get a palindrome (41645654614).

The spelling of 11241340403 in words is "eleven billion, two hundred forty-one million, three hundred forty thousand, four hundred three".