11403340401 has 4 divisors (see below), whose sum is σ = 15204453872. Its totient is φ = 7602226932.

The previous prime is 11403340397. The next prime is 11403340411. The reversal of 11403340401 is 10404330411.

11403340401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10404330411 = 3 ⋅3468110137.

It is not a de Polignac number, because 11403340401 - 2² = 11403340397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11403340411) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1900556731 + ... + 1900556736.

It is an arithmetic number, because the mean of its divisors is an integer number (3801113468).

Almost surely, 2^11403340401 is an apocalyptic number.

It is an amenable number.

11403340401 is a deficient number, since it is larger than the sum of its proper divisors (3801113471).

11403340401 is an equidigital number, since it uses as much as digits as its factorization.

11403340401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801113470.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11403340401 its reverse (10404330411), we get a palindrome (21807670812).

The spelling of 11403340401 in words is "eleven billion, four hundred three million, three hundred forty thousand, four hundred one".