11662117318655 has 16 divisors (see below), whose sum is σ = 14075839636704. Its totient is φ = 9275555020800.

The previous prime is 11662117318627. The next prime is 11662117318693. The reversal of 11662117318655 is 55681371126611.

It is not a de Polignac number, because 11662117318655 - 2⁶ = 11662117318591 is a prime.

It is a super-2 number, since 2×11662117318655² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11662117318597 and 11662117318606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2229269 + ... + 5319198.

It is an arithmetic number, because the mean of its divisors is an integer number (879739977294).

Almost surely, 2^{11662117318655} is an apocalyptic number.

11662117318655 is a deficient number, since it is larger than the sum of its proper divisors (2413722318049).

11662117318655 is a wasteful number, since it uses less digits than its factorization.

11662117318655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7550266.

The product of its digits is 1814400, while the sum is 53.

The spelling of 11662117318655 in words is "eleven trillion, six hundred sixty-two billion, one hundred seventeen million, three hundred eighteen thousand, six hundred fifty-five".