11424451 has 4 divisors (see below), whose sum is σ = 11535472. Its totient is φ = 11313432.

The previous prime is 11424433. The next prime is 11424467. The reversal of 11424451 is 15442411.

11424451 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 an emirpimes, since its reverse is a distinct semiprime: 15442411 = 131 ⋅117881.

It is a cyclic number.

It is not a de Polignac number, because 11424451 - 2¹³ = 11416259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11424251) 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, 55356 + ... + 55561.

It is an arithmetic number, because the mean of its divisors is an integer number (2883868).

Almost surely, 2^11424451 is an apocalyptic number.

11424451 is a deficient number, since it is larger than the sum of its proper divisors (111021).

11424451 is a wasteful number, since it uses less digits than its factorization.

11424451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111020.

The product of its digits is 640, while the sum is 22.

The square root of 11424451 is about 3380.0075443703. The cubic root of 11424451 is about 225.2225025284. Note that the first 3 decimals are identical.

Adding to 11424451 its reverse (15442411), we get a palindrome (26866862).

The spelling of 11424451 in words is "eleven million, four hundred twenty-four thousand, four hundred fifty-one".