11440165145 has 16 divisors (see below), whose sum is σ = 14624850240. Its totient is φ = 8565971904.

The previous prime is 11440165127. The next prime is 11440165211. The reversal of 11440165145 is 54156104411.

It is a cyclic number.

It is not a de Polignac number, because 11440165145 - 2¹⁴ = 11440148761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717554 + ... + 733323.

It is an arithmetic number, because the mean of its divisors is an integer number (914053140).

Almost surely, 2^11440165145 is an apocalyptic number.

It is an amenable number.

11440165145 is a deficient number, since it is larger than the sum of its proper divisors (3184685095).

11440165145 is a wasteful number, since it uses less digits than its factorization.

11440165145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450984.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 11440165145 its reverse (54156104411), we get a palindrome (65596269556).

The spelling of 11440165145 in words is "eleven billion, four hundred forty million, one hundred sixty-five thousand, one hundred forty-five".