11943203109280 has 24 divisors (see below), whose sum is σ = 28215817346052. Its totient is φ = 4777281243648.

The previous prime is 11943203109263. The next prime is 11943203109281. The reversal of 11943203109280 is 8290130234911.

It can be written as a sum of positive squares in 2 ways, for example, as 10916442432016 + 1026760677264 = 3304004^2 + 1013292^2 .

It is not an unprimeable number, because it can be changed into a prime (11943203109281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 37322509557 + ... + 37322509876.

Almost surely, 2^{11943203109280} is an apocalyptic number.

11943203109280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11943203109280 is an abundant number, since it is smaller than the sum of its proper divisors (16272614236772).

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

11943203109280 is an equidigital number, since it uses as much as digits as its factorization.

11943203109280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74645019448 (or 74645019440 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 11943203109280 in words is "eleven trillion, nine hundred forty-three billion, two hundred three million, one hundred nine thousand, two hundred eighty".