11440481470780 has 96 divisors (see below), whose sum is σ = 25917563105280. Its totient is φ = 4229595363840.

The previous prime is 11440481470751. The next prime is 11440481470819. The reversal of 11440481470780 is 8707418404411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8788632 + ... + 10006048.

It is an arithmetic number, because the mean of its divisors is an integer number (269974615680).

Almost surely, 2^{11440481470780} is an apocalyptic number.

11440481470780 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 11440481470780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12958781552640).

11440481470780 is an abundant number, since it is smaller than the sum of its proper divisors (14477081634500).

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

11440481470780 is a wasteful number, since it uses less digits than its factorization.

11440481470780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218139 (or 1218137 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 49.

The spelling of 11440481470780 in words is "eleven trillion, four hundred forty billion, four hundred eighty-one million, four hundred seventy thousand, seven hundred eighty".