11657206117 has 8 divisors (see below), whose sum is σ = 12212847872. Its totient is φ = 11112789600.

The previous prime is 11657206111. The next prime is 11657206123. The reversal of 11657206117 is 71160275611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11657206111) and next prime (11657206123).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11657206117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11657206111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2804184 + ... + 2808337.

It is an arithmetic number, because the mean of its divisors is an integer number (1526605984).

Almost surely, 2^11657206117 is an apocalyptic number.

It is an amenable number.

11657206117 is a deficient number, since it is larger than the sum of its proper divisors (555641755).

11657206117 is an equidigital number, since it uses as much as digits as its factorization.

11657206117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5612619.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 11657206117 in words is "eleven billion, six hundred fifty-seven million, two hundred six thousand, one hundred seventeen".