11116616616611 has 8 divisors (see below), whose sum is σ = 12190053456624. Its totient is φ = 10053652331520.

The previous prime is 11116616616571. The next prime is 11116616616631. The reversal of 11116616616611 is 11661661661111.

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-11116616616611 is a prime.

It is a super-2 number, since 2×11116616616611² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116616616631) 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, 2618136506 + ... + 2618140751.

It is an arithmetic number, because the mean of its divisors is an integer number (1523756682078).

Almost surely, 2^{11116616616611} is an apocalyptic number.

11116616616611 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11116616616611 is a deficient number, since it is larger than the sum of its proper divisors (1073436840013).

11116616616611 is a wasteful number, since it uses less digits than its factorization.

11116616616611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236277461.

The product of its digits is 46656, while the sum is 44.

The spelling of 11116616616611 in words is "eleven trillion, one hundred sixteen billion, six hundred sixteen million, six hundred sixteen thousand, six hundred eleven".