11269641440 has 24 divisors (see below), whose sum is σ = 26624528280. Its totient is φ = 4507856512.

The previous prime is 11269641421. The next prime is 11269641443. The reversal of 11269641440 is 4414696211.

It is a happy number.

11269641440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11269641394 and 11269641403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11269641443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35217470 + ... + 35217789.

It is an arithmetic number, because the mean of its divisors is an integer number (1109355345).

Almost surely, 2^11269641440 is an apocalyptic number.

11269641440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11269641440 is an abundant number, since it is smaller than the sum of its proper divisors (15354886840).

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

11269641440 is an equidigital number, since it uses as much as digits as its factorization.

11269641440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70435274 (or 70435266 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 11269641440 in words is "eleven billion, two hundred sixty-nine million, six hundred forty-one thousand, four hundred forty".