11671517281547 has 8 divisors (see below), whose sum is σ = 12591248389056. Its totient is φ = 10777694092672.

The previous prime is 11671517281517. The next prime is 11671517281573. The reversal of 11671517281547 is 74518271517611.

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

It is a cyclic number.

It is not a de Polignac number, because 11671517281547 - 2⁶ = 11671517281483 is a prime.

It is a super-3 number, since 3×11671517281547³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11671517281492 and 11671517281501.

It is not an unprimeable number, because it can be changed into a prime (11671517281517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6476978723 + ... + 6476980524.

It is an arithmetic number, because the mean of its divisors is an integer number (1573906048632).

Almost surely, 2^{11671517281547} is an apocalyptic number.

11671517281547 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11671517281547 is a deficient number, since it is larger than the sum of its proper divisors (919731107509).

11671517281547 is a wasteful number, since it uses less digits than its factorization.

11671517281547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12953959317.

The product of its digits is 3292800, while the sum is 56.

The spelling of 11671517281547 in words is "eleven trillion, six hundred seventy-one billion, five hundred seventeen million, two hundred eighty-one thousand, five hundred forty-seven".