11403441424 has 20 divisors (see below), whose sum is σ = 23393825244. Its totient is φ = 5366325248.

The previous prime is 11403441389. The next prime is 11403441487. The reversal of 11403441424 is 42414430411.

It can be written as a sum of positive squares in 2 ways, for example, as 8329847824 + 3073593600 = 91268^2 + 55440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11403441392 and 11403441401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20961937 + ... + 20962480.

Almost surely, 2^11403441424 is an apocalyptic number.

It is an amenable number.

11403441424 is an abundant number, since it is smaller than the sum of its proper divisors (11990383820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11403441424 is a wasteful number, since it uses less digits than its factorization.

11403441424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41924442 (or 41924436 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 11403441424 its reverse (42414430411), we get a palindrome (53817871835).

The spelling of 11403441424 in words is "eleven billion, four hundred three million, four hundred forty-one thousand, four hundred twenty-four".