11976689847471 has 8 divisors (see below), whose sum is σ = 15984590968320. Its totient is φ = 7976624312472.

The previous prime is 11976689847457. The next prime is 11976689847491. The reversal of 11976689847471 is 17474898667911.

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

It is not a de Polignac number, because 11976689847471 - 2¹⁰ = 11976689846447 is a prime.

It is a super-4 number, since 4×11976689847471⁴ (a number of 53 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11976689847491) 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, 1958892895 + ... + 1958899008.

It is an arithmetic number, because the mean of its divisors is an integer number (1998073871040).

Almost surely, 2^{11976689847471} is an apocalyptic number.

11976689847471 is a deficient number, since it is larger than the sum of its proper divisors (4007901120849).

11976689847471 is a wasteful number, since it uses less digits than its factorization.

11976689847471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917792925.

The product of its digits is 1024192512, while the sum is 78.

The spelling of 11976689847471 in words is "eleven trillion, nine hundred seventy-six billion, six hundred eighty-nine million, eight hundred forty-seven thousand, four hundred seventy-one".