11984142323344 has 45 divisors (see below), whose sum is σ = 24665943526747. Its totient is φ = 5639485609472.

The previous prime is 11984142323287. The next prime is 11984142323369. The reversal of 11984142323344 is 44332324148911.

The square root of 11984142323344 is 3461812.

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

It can be written as a sum of positive squares in 4 ways, for example, as 46509235600 + 11937633087744 = 215660^2 + 3455088^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 235377762 + ... + 235428670.

Almost surely, 2^{11984142323344} is an apocalyptic number.

11984142323344 is the 3461812-nd square number.

It is an amenable number.

11984142323344 is an abundant number, since it is smaller than the sum of its proper divisors (12681801203403).

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

11984142323344 is an frugal number, since it uses more digits than its factorization.

11984142323344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101860 (or 50928 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

Multiplying 11984142323344 by its sum of digits (49), we get a square (587222973843856 = 24232684²).

The spelling of 11984142323344 in words is "eleven trillion, nine hundred eighty-four billion, one hundred forty-two million, three hundred twenty-three thousand, three hundred forty-four".