1005605560111 has 8 divisors (see below), whose sum is σ = 1022429637200. Its totient is φ = 988792410240.

The previous prime is 1005605560093. The next prime is 1005605560177. The reversal of 1005605560111 is 1110655065001.

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 1005605560111 - 2¹⁷ = 1005605429039 is a prime.

It is a super-3 number, since 3×1005605560111³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005605560511) 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, 2546106 + ... + 2914423.

It is an arithmetic number, because the mean of its divisors is an integer number (127803704650).

Almost surely, 2^{1005605560111} is an apocalyptic number.

1005605560111 is a deficient number, since it is larger than the sum of its proper divisors (16824077089).

1005605560111 is an equidigital number, since it uses as much as digits as its factorization.

1005605560111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5463609.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 1005605560111 in words is "one trillion, five billion, six hundred five million, five hundred sixty thousand, one hundred eleven".