11617718871 has 8 divisors (see below), whose sum is σ = 16898500224. Its totient is φ = 7041041720.

The previous prime is 11617718867. The next prime is 11617718873. The reversal of 11617718871 is 17881771611.

11617718871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11617718871 - 2² = 11617718867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11617718871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617718873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176026011 + ... + 176026076.

It is an arithmetic number, because the mean of its divisors is an integer number (2112312528).

Almost surely, 2^11617718871 is an apocalyptic number.

11617718871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11617718871 is a deficient number, since it is larger than the sum of its proper divisors (5280781353).

11617718871 is a wasteful number, since it uses less digits than its factorization.

11617718871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352052101.

The product of its digits is 131712, while the sum is 48.

The spelling of 11617718871 in words is "eleven billion, six hundred seventeen million, seven hundred eighteen thousand, eight hundred seventy-one".