11040320320 has 28 divisors (see below), whose sum is σ = 26289763524. Its totient is φ = 4416128000.

The previous prime is 11040320311. The next prime is 11040320339. The reversal of 11040320320 is 2302304011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2684897856 + 8355422464 = 51816^2 + 91408^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11040320294 and 11040320303.

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, 17250181 + ... + 17250820.

Almost surely, 2^11040320320 is an apocalyptic number.

11040320320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11040320320 is an abundant number, since it is smaller than the sum of its proper divisors (15249443204).

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

11040320320 is an equidigital number, since it uses as much as digits as its factorization.

11040320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34501018 (or 34501008 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 11040320320 its reverse (2302304011), we get a palindrome (13342624331).

The spelling of 11040320320 in words is "eleven billion, forty million, three hundred twenty thousand, three hundred twenty".