11043523211605 has 16 divisors (see below), whose sum is σ = 13434186115584. Its totient is φ = 8713520645760.

The previous prime is 11043523211579. The next prime is 11043523211627. The reversal of 11043523211605 is 50611232534011.

It is not a de Polignac number, because 11043523211605 - 2¹³ = 11043523203413 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 15 ways as a sum of consecutive naturals, for example, 11613472 + ... + 12528358.

It is an arithmetic number, because the mean of its divisors is an integer number (839636632224).

Almost surely, 2^{11043523211605} is an apocalyptic number.

It is an amenable number.

11043523211605 is a deficient number, since it is larger than the sum of its proper divisors (2390662903979).

11043523211605 is an equidigital number, since it uses as much as digits as its factorization.

11043523211605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948036.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 11043523211605 its reverse (50611232534011), we get a palindrome (61654755745616).

The spelling of 11043523211605 in words is "eleven trillion, forty-three billion, five hundred twenty-three million, two hundred eleven thousand, six hundred five".