11671187681344 has 21 divisors (see below), whose sum is σ = 23160067289247. Its totient is φ = 5835580175424.

The previous prime is 11671187681333. The next prime is 11671187681393. The reversal of 11671187681344 is 44318678117611.

The square root of 11671187681344 is 3416312.

It is a perfect power (a square), and thus also a powerful number.

11671187681344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 27116977 + ... + 27544015.

It is an arithmetic number, because the mean of its divisors is an integer number (1102860347107).

Almost surely, 2^{11671187681344} is an apocalyptic number.

11671187681344 is the 3416312-nd square number.

It is an amenable number.

11671187681344 is a deficient number, since it is larger than the sum of its proper divisors (11488879607903).

11671187681344 is an frugal number, since it uses more digits than its factorization.

11671187681344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854090 (or 427041 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 58.

The spelling of 11671187681344 in words is "eleven trillion, six hundred seventy-one billion, one hundred eighty-seven million, six hundred eighty-one thousand, three hundred forty-four".