11420403424 has 24 divisors (see below), whose sum is σ = 23091595128. Its totient is φ = 5555871360.

The previous prime is 11420403419. The next prime is 11420403437. The reversal of 11420403424 is 42430402411.

It is a super-2 number, since 2×11420403424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 4821622 + ... + 4823989.

It is an arithmetic number, because the mean of its divisors is an integer number (962149797).

Almost surely, 2^11420403424 is an apocalyptic number.

It is an amenable number.

11420403424 is an abundant number, since it is smaller than the sum of its proper divisors (11671191704).

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

11420403424 is an equidigital number, since it uses as much as digits as its factorization.

11420403424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645658 (or 9645650 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 11420403424 its reverse (42430402411), we get a palindrome (53850805835).

The spelling of 11420403424 in words is "eleven billion, four hundred twenty million, four hundred three thousand, four hundred twenty-four".