11424403401 has 4 divisors (see below), whose sum is σ = 15232537872. Its totient is φ = 7616268932.

The previous prime is 11424403399. The next prime is 11424403453. The reversal of 11424403401 is 10430442411.

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: 10430442411 = 3 ⋅3476814137.

It is a cyclic number.

It is not a de Polignac number, because 11424403401 - 2¹ = 11424403399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11424405401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1904067231 + ... + 1904067236.

It is an arithmetic number, because the mean of its divisors is an integer number (3808134468).

Almost surely, 2^11424403401 is an apocalyptic number.

It is an amenable number.

11424403401 is a deficient number, since it is larger than the sum of its proper divisors (3808134471).

11424403401 is an equidigital number, since it uses as much as digits as its factorization.

11424403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3808134470.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11424403401 its reverse (10430442411), we get a palindrome (21854845812).

The spelling of 11424403401 in words is "eleven billion, four hundred twenty-four million, four hundred three thousand, four hundred one".