1100606105561 has 8 divisors (see below), whose sum is σ = 1126674299520. Its totient is φ = 1074559398192.

The previous prime is 1100606105551. The next prime is 1100606105563. The reversal of 1100606105561 is 1655016060011.

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-1100606105561 is a prime.

It is a super-2 number, since 2×1100606105561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100606105563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5267966 + ... + 5472903.

It is an arithmetic number, because the mean of its divisors is an integer number (140834287440).

Almost surely, 2^{1100606105561} is an apocalyptic number.

It is an amenable number.

1100606105561 is a deficient number, since it is larger than the sum of its proper divisors (26068193959).

1100606105561 is a wasteful number, since it uses less digits than its factorization.

1100606105561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743295.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 1100606105561 in words is "one trillion, one hundred billion, six hundred six million, one hundred five thousand, five hundred sixty-one".