11420013450 has 96 divisors (see below), whose sum is σ = 28919488320. Its totient is φ = 2981478400.

The previous prime is 11420013439. The next prime is 11420013463. The reversal of 11420013450 is 5431002411.

11420013450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 47 ways as a sum of consecutive naturals, for example, 2271940 + ... + 2276960.

It is an arithmetic number, because the mean of its divisors is an integer number (301244670).

Almost surely, 2^11420013450 is an apocalyptic number.

11420013450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11420013450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14459744160).

11420013450 is an abundant number, since it is smaller than the sum of its proper divisors (17499474870).

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

11420013450 is a wasteful number, since it uses less digits than its factorization.

11420013450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5352 (or 5347 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 11420013450 its reverse (5431002411), we get a palindrome (16851015861).

The spelling of 11420013450 in words is "eleven billion, four hundred twenty million, thirteen thousand, four hundred fifty".