11605550006605 has 8 divisors (see below), whose sum is σ = 13926680230752. Its totient is φ = 9284426523408.

The previous prime is 11605550006539. The next prime is 11605550006647. The reversal of 11605550006605 is 50660005550611.

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 11605550006605 - 2¹⁵ = 11605549973837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3621622 + ... + 6027208.

It is an arithmetic number, because the mean of its divisors is an integer number (1740835028844).

Almost surely, 2^{11605550006605} is an apocalyptic number.

It is an amenable number.

11605550006605 is a deficient number, since it is larger than the sum of its proper divisors (2321130224147).

11605550006605 is an equidigital number, since it uses as much as digits as its factorization.

11605550006605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3370475.

The product of its (nonzero) digits is 135000, while the sum is 40.

It can be divided in two parts, 11605550006 and 605, that added together give a palindrome (11605550611).

The spelling of 11605550006605 in words is "eleven trillion, six hundred five billion, five hundred fifty million, six thousand, six hundred five".