11440001320 has 32 divisors (see below), whose sum is σ = 28080004320. Its totient is φ = 4160000320.

The previous prime is 11440001273. The next prime is 11440001351. The reversal of 11440001320 is 2310004411.

It is a junction number, because it is equal to n+sod(n) for n = 11440001294 and 11440001303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12999562 + ... + 13000441.

It is an arithmetic number, because the mean of its divisors is an integer number (877500135).

Almost surely, 2^11440001320 is an apocalyptic number.

11440001320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440001320 is an abundant number, since it is smaller than the sum of its proper divisors (16640003000).

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

11440001320 is a wasteful number, since it uses less digits than its factorization.

11440001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26000025 (or 26000021 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11440001320 its reverse (2310004411), we get a palindrome (13750005731).

The spelling of 11440001320 in words is "eleven billion, four hundred forty million, one thousand, three hundred twenty".