11424054421 has 4 divisors (see below), whose sum is σ = 12302827852. Its totient is φ = 10545280992.

The previous prime is 11424054401. The next prime is 11424054427. The reversal of 11424054421 is 12445042411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3322254321 + 8101800100 = 57639^2 + 90010^2 .

It is a cyclic number.

It is not a de Polignac number, because 11424054421 - 2¹⁷ = 11423923349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11424054421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424054427) 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, 439386696 + ... + 439386721.

It is an arithmetic number, because the mean of its divisors is an integer number (3075706963).

Almost surely, 2^11424054421 is an apocalyptic number.

It is an amenable number.

11424054421 is a deficient number, since it is larger than the sum of its proper divisors (878773431).

11424054421 is an equidigital number, since it uses as much as digits as its factorization.

11424054421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878773430.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 11424054421 its reverse (12445042411), we get a palindrome (23869096832).

The spelling of 11424054421 in words is "eleven billion, four hundred twenty-four million, fifty-four thousand, four hundred twenty-one".