11005505561006 has 16 divisors (see below), whose sum is σ = 18211357519920. Its totient is φ = 4946294633280.

The previous prime is 11005505560993. The next prime is 11005505561041. The reversal of 11005505561006 is 60016550550011.

It is a super-2 number, since 2×11005505561006² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2810392721 + ... + 2810396636.

It is an arithmetic number, because the mean of its divisors is an integer number (1138209844995).

Almost surely, 2^{11005505561006} is an apocalyptic number.

11005505561006 is a deficient number, since it is larger than the sum of its proper divisors (7205851958914).

11005505561006 is a wasteful number, since it uses less digits than its factorization.

11005505561006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5620789459.

The product of its (nonzero) digits is 22500, while the sum is 35.

It can be divided in two parts, 11005505 and 561006, that added together give a palindrome (11566511).

The spelling of 11005505561006 in words is "eleven trillion, five billion, five hundred five million, five hundred sixty-one thousand, six".