1139750945280 has 240 divisors, whose sum is σ = 3949662562560. Its totient is φ = 303749996544.

The previous prime is 1139750945261. The next prime is 1139750945297. The reversal of 1139750945280 is 825490579311.

It is a happy number.

1139750945280 is a `hidden beast` number, since 1 + 1 + 3 + 9 + 7 + 509 + 4 + 52 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40513299 + ... + 40541421.

It is an arithmetic number, because the mean of its divisors is an integer number (16456927344).

Almost surely, 2^{1139750945280} is an apocalyptic number.

1139750945280 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 1139750945280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1974831281280).

1139750945280 is an abundant number, since it is smaller than the sum of its proper divisors (2809911617280).

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

1139750945280 is a wasteful number, since it uses less digits than its factorization.

1139750945280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29911 (or 29892 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 54.

The spelling of 1139750945280 in words is "one trillion, one hundred thirty-nine billion, seven hundred fifty million, nine hundred forty-five thousand, two hundred eighty".