11013445420 has 96 divisors (see below), whose sum is σ = 24614150400. Its totient is φ = 4131993600.

The previous prime is 11013445381. The next prime is 11013445459. The reversal of 11013445420 is 2454431011.

11013445420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11013445381) and next prime (11013445459).

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 31 ways as a sum of consecutive naturals, for example, 6443526 + ... + 6445234.

It is an arithmetic number, because the mean of its divisors is an integer number (256397400).

Almost surely, 2^11013445420 is an apocalyptic number.

11013445420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11013445420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12307075200).

11013445420 is an abundant number, since it is smaller than the sum of its proper divisors (13600704980).

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

11013445420 is a wasteful number, since it uses less digits than its factorization.

11013445420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2059 (or 2057 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 11013445420 its reverse (2454431011), we get a palindrome (13467876431).

The spelling of 11013445420 in words is "eleven billion, thirteen million, four hundred forty-five thousand, four hundred twenty".