11312003424 has 96 divisors (see below), whose sum is σ = 30449575296. Its totient is φ = 3675893760.

The previous prime is 11312003383. The next prime is 11312003441. The reversal of 11312003424 is 42430021311.

11312003424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11312003424² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11312003424.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 614839 + ... + 632969.

It is an arithmetic number, because the mean of its divisors is an integer number (317183076).

Almost surely, 2^11312003424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312003424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15224787648).

11312003424 is an abundant number, since it is smaller than the sum of its proper divisors (19137571872).

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

11312003424 is a wasteful number, since it uses less digits than its factorization.

11312003424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18308 (or 18300 counting only the distinct ones).

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

Adding to 11312003424 its reverse (42430021311), we get a palindrome (53742024735).

The spelling of 11312003424 in words is "eleven billion, three hundred twelve million, three thousand, four hundred twenty-four".