1111403424 has 192 divisors, whose sum is σ = 3337770240. Its totient is φ = 321699840.

The previous prime is 1111403389. The next prime is 1111403459. The reversal of 1111403424 is 4243041111.

It is an interprime number because it is at equal distance from previous prime (1111403389) and next prime (1111403459).

It is a self number, because there is not a number n which added to its sum of digits gives 1111403424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1088034 + ... + 1089054.

It is an arithmetic number, because the mean of its divisors is an integer number (17384220).

Almost surely, 2^1111403424 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 1111403424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668885120).

1111403424 is an abundant number, since it is smaller than the sum of its proper divisors (2226366816).

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

1111403424 is a wasteful number, since it uses less digits than its factorization.

1111403424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1111403424 is about 33337.7177383216. The cubic root of 1111403424 is about 1035.8349890984.

Adding to 1111403424 its reverse (4243041111), we get a palindrome (5354444535).

The spelling of 1111403424 in words is "one billion, one hundred eleven million, four hundred three thousand, four hundred twenty-four".