5991706354461 has 8 divisors (see below), whose sum is σ = 7988953306464. Its totient is φ = 3994465152720.

The previous prime is 5991706354411. The next prime is 5991706354471. The reversal of 5991706354461 is 1644536071995.

It is a happy number.

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

It is not a de Polignac number, because 5991706354461 - 2²⁹ = 5991169483549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5991706354395 and 5991706354404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5991706354411) 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, 2672175 + ... + 4373091.

It is an arithmetic number, because the mean of its divisors is an integer number (998619163308).

Almost surely, 2^{5991706354461} is an apocalyptic number.

It is an amenable number.

5991706354461 is a deficient number, since it is larger than the sum of its proper divisors (1997246952003).

5991706354461 is a wasteful number, since it uses less digits than its factorization.

5991706354461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875131.

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 5991706354461 in words is "five trillion, nine hundred ninety-one billion, seven hundred six million, three hundred fifty-four thousand, four hundred sixty-one".