11344665140 has 96 divisors (see below), whose sum is σ = 25260318720. Its totient is φ = 4273718400.

The previous prime is 11344665139. The next prime is 11344665149. The reversal of 11344665140 is 4156644311.

It is a self number, because there is not a number n which added to its sum of digits gives 11344665140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344665149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3766235 + ... + 3769245.

It is an arithmetic number, because the mean of its divisors is an integer number (263128320).

Almost surely, 2^11344665140 is an apocalyptic number.

11344665140 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 11344665140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12630159360).

11344665140 is an abundant number, since it is smaller than the sum of its proper divisors (13915653580).

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

11344665140 is a wasteful number, since it uses less digits than its factorization.

11344665140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213 (or 3211 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 11344665140 in words is "eleven billion, three hundred forty-four million, six hundred sixty-five thousand, one hundred forty".