11123663206065 has 8 divisors (see below), whose sum is σ = 17797861129728. Its totient is φ = 5932620376560.

The previous prime is 11123663206063. The next prime is 11123663206079. The reversal of 11123663206065 is 56060236632111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11123663206065 - 2¹ = 11123663206063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123663206063) 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, 370788773521 + ... + 370788773550.

It is an arithmetic number, because the mean of its divisors is an integer number (2224732641216).

Almost surely, 2^{11123663206065} is an apocalyptic number.

11123663206065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11123663206065 is a deficient number, since it is larger than the sum of its proper divisors (6674197923663).

11123663206065 is an equidigital number, since it uses as much as digits as its factorization.

11123663206065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741577547079.

The product of its (nonzero) digits is 233280, while the sum is 42.

Adding to 11123663206065 its reverse (56060236632111), we get a palindrome (67183899838176).

The spelling of 11123663206065 in words is "eleven trillion, one hundred twenty-three billion, six hundred sixty-three million, two hundred six thousand, sixty-five".