1106656105561 has 8 divisors (see below), whose sum is σ = 1115130703104. Its totient is φ = 1098181914960.

The previous prime is 1106656105547. The next prime is 1106656105579. The reversal of 1106656105561 is 1655016566011.

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 1106656105561 - 2⁷ = 1106656105433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1106656108561) 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, 7552551 + ... + 7697683.

It is an arithmetic number, because the mean of its divisors is an integer number (139391337888).

Almost surely, 2^{1106656105561} is an apocalyptic number.

It is an amenable number.

1106656105561 is a deficient number, since it is larger than the sum of its proper divisors (8474597543).

1106656105561 is a wasteful number, since it uses less digits than its factorization.

1106656105561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203471.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 1106656105561 in words is "one trillion, one hundred six billion, six hundred fifty-six million, one hundred five thousand, five hundred sixty-one".