11943261760 has 56 divisors (see below), whose sum is σ = 28782605376. Its totient is φ = 4719736320.

The previous prime is 11943261721. The next prime is 11943261793. The reversal of 11943261760 is 6716234911.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198276 + ... + 251395.

It is an arithmetic number, because the mean of its divisors is an integer number (513975096).

Almost surely, 2^11943261760 is an apocalyptic number.

11943261760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11943261760 is an abundant number, since it is smaller than the sum of its proper divisors (16839343616).

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

11943261760 is an equidigital number, since it uses as much as digits as its factorization.

11943261760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449771 (or 449761 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 11943261760 in words is "eleven billion, nine hundred forty-three million, two hundred sixty-one thousand, seven hundred sixty".