1105389042240 has 896 divisors, whose sum is σ = 4323819257856. Its totient is φ = 233902080000.

The previous prime is 1105389042239. The next prime is 1105389042319. The reversal of 1105389042240 is 422409835011.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 470177065 + ... + 470179415.

It is an arithmetic number, because the mean of its divisors is an integer number (4825691136).

Almost surely, 2^{1105389042240} is an apocalyptic number.

1105389042240 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 1105389042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2161909628928).

1105389042240 is an abundant number, since it is smaller than the sum of its proper divisors (3218430215616).

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

1105389042240 is a wasteful number, since it uses less digits than its factorization.

1105389042240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 1105389042240 in words is "one trillion, one hundred five billion, three hundred eighty-nine million, forty-two thousand, two hundred forty".