1111403220424 has 48 divisors (see below), whose sum is σ = 2424573873180. Its totient is φ = 476223834240.

The previous prime is 1111403220359. The next prime is 1111403220439. The reversal of 1111403220424 is 4240223041111.

It can be written as a sum of positive squares in 2 ways, for example, as 813210775524 + 298192444900 = 901782^2 + 546070^2 .

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 11 ways as a sum of consecutive naturals, for example, 1782214 + ... + 2323594.

Almost surely, 2^{1111403220424} is an apocalyptic number.

1111403220424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111403220424 is an abundant number, since it is smaller than the sum of its proper divisors (1313170652756).

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

1111403220424 is a wasteful number, since it uses less digits than its factorization.

1111403220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546638 (or 546627 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1111403220424 its reverse (4240223041111), we get a palindrome (5351626261535).

The spelling of 1111403220424 in words is "one trillion, one hundred eleven billion, four hundred three million, two hundred twenty thousand, four hundred twenty-four".