5611656651111 has 12 divisors (see below), whose sum is σ = 9263687170192. Its totient is φ = 3206660943456.

The previous prime is 5611656651053. The next prime is 5611656651113. The reversal of 5611656651111 is 1111566561165.

5611656651111 is a `hidden beast` number, since 5 + 6 + 1 + 1 + 65 + 66 + 511 + 11 = 666.

It is not a de Polignac number, because 5611656651111 - 2⁹ = 5611656650599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611656651113) 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 11 ways as a sum of consecutive naturals, for example, 44536957486 + ... + 44536957611.

Almost surely, 2^{5611656651111} is an apocalyptic number.

5611656651111 is a deficient number, since it is larger than the sum of its proper divisors (3652030519081).

5611656651111 is a wasteful number, since it uses less digits than its factorization.

5611656651111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89073915110 (or 89073915107 counting only the distinct ones).

The product of its digits is 162000, while the sum is 45.

The spelling of 5611656651111 in words is "five trillion, six hundred eleven billion, six hundred fifty-six million, six hundred fifty-one thousand, one hundred eleven".