11145232445565 has 16 divisors (see below), whose sum is σ = 17930893309056. Its totient is φ = 5911283505600.

The previous prime is 11145232445563. The next prime is 11145232445579. The reversal of 11145232445565 is 56554423254111.

It is not a de Polignac number, because 11145232445565 - 2¹ = 11145232445563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145232445563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2052526281 + ... + 2052531710.

It is an arithmetic number, because the mean of its divisors is an integer number (1120680831816).

Almost surely, 2^{11145232445565} is an apocalyptic number.

11145232445565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11145232445565 is a deficient number, since it is larger than the sum of its proper divisors (6785660863491).

11145232445565 is a wasteful number, since it uses less digits than its factorization.

11145232445565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105058180.

The product of its digits is 2880000, while the sum is 48.

Adding to 11145232445565 its reverse (56554423254111), we get a palindrome (67699655699676).

The spelling of 11145232445565 in words is "eleven trillion, one hundred forty-five billion, two hundred thirty-two million, four hundred forty-five thousand, five hundred sixty-five".