11871968673387 has 8 divisors (see below), whose sum is σ = 15829970705920. Its totient is φ = 7914306211560.

The previous prime is 11871968673373. The next prime is 11871968673479. The reversal of 11871968673387 is 78337686917811.

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

It is not a de Polignac number, because 11871968673387 - 2¹⁰ = 11871968672363 is a prime.

It is a super-3 number, since 3×11871968673387³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11871968673317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84811087 + ... + 84950952.

It is an arithmetic number, because the mean of its divisors is an integer number (1978746338240).

Almost surely, 2^{11871968673387} is an apocalyptic number.

11871968673387 is a deficient number, since it is larger than the sum of its proper divisors (3958002032533).

11871968673387 is a wasteful number, since it uses less digits than its factorization.

11871968673387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169785353.

The product of its digits is 512096256, while the sum is 75.

The spelling of 11871968673387 in words is "eleven trillion, eight hundred seventy-one billion, nine hundred sixty-eight million, six hundred seventy-three thousand, three hundred eighty-seven".