11000421424 has 80 divisors (see below), whose sum is σ = 22367647744. Its totient is φ = 5234803200.

The previous prime is 11000421403. The next prime is 11000421427. The reversal of 11000421424 is 42412400011.

It is not an unprimeable number, because it can be changed into a prime (11000421427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8326684 + ... + 8328004.

Almost surely, 2^11000421424 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 11000421424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11183823872).

11000421424 is an abundant number, since it is smaller than the sum of its proper divisors (11367226320).

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

11000421424 is a wasteful number, since it uses less digits than its factorization.

11000421424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1620 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11000421424 its reverse (42412400011), we get a palindrome (53412821435).

The spelling of 11000421424 in words is "eleven billion, four hundred twenty-one thousand, four hundred twenty-four".