11105452240 has 20 divisors (see below), whose sum is σ = 25820176644. Its totient is φ = 4442180864.

The previous prime is 11105452229. The next prime is 11105452261. The reversal of 11105452240 is 4225450111.

11105452240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2518835344 + 8586616896 = 50188^2 + 92664^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 69408997 + ... + 69409156.

Almost surely, 2^11105452240 is an apocalyptic number.

11105452240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11105452240 is an abundant number, since it is smaller than the sum of its proper divisors (14714724404).

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

11105452240 is a wasteful number, since it uses less digits than its factorization.

11105452240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138818166 (or 138818160 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The spelling of 11105452240 in words is "eleven billion, one hundred five million, four hundred fifty-two thousand, two hundred forty".