11980931327999 has 8 divisors (see below), whose sum is σ = 12025907403840. Its totient is φ = 11935958491936.

The previous prime is 11980931327941. The next prime is 11980931328013. The reversal of 11980931327999 is 99972313908911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11980931327999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980931347999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6731609 + ... + 8323245.

It is an arithmetic number, because the mean of its divisors is an integer number (1503238425480).

Almost surely, 2^{11980931327999} is an apocalyptic number.

11980931327999 is a deficient number, since it is larger than the sum of its proper divisors (44976075841).

11980931327999 is a wasteful number, since it uses less digits than its factorization.

11980931327999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1619889.

The product of its (nonzero) digits is 59521392, while the sum is 71.

The spelling of 11980931327999 in words is "eleven trillion, nine hundred eighty billion, nine hundred thirty-one million, three hundred twenty-seven thousand, nine hundred ninety-nine".