11671168613 has 8 divisors (see below), whose sum is σ = 12775000056. Its totient is φ = 10596772800.

The previous prime is 11671168601. The next prime is 11671168633. The reversal of 11671168613 is 31686117611.

It can be written as a sum of positive squares in 4 ways, for example, as 608756929 + 11062411684 = 24673^2 + 105178^2 .

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 11671168613 - 2⁶ = 11671168549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671168633) 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, 7358078 + ... + 7359663.

It is an arithmetic number, because the mean of its divisors is an integer number (1596875007).

Almost surely, 2^11671168613 is an apocalyptic number.

11671168613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11671168613 is a deficient number, since it is larger than the sum of its proper divisors (1103831443).

11671168613 is a wasteful number, since it uses less digits than its factorization.

11671168613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14717815.

The product of its digits is 36288, while the sum is 41.

The spelling of 11671168613 in words is "eleven billion, six hundred seventy-one million, one hundred sixty-eight thousand, six hundred thirteen".