11144313265 has 4 divisors (see below), whose sum is σ = 13373175924. Its totient is φ = 8915450608.

The previous prime is 11144313253. The next prime is 11144313281. The reversal of 11144313265 is 56231344111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7019591089 + 4124722176 = 83783^2 + 64224^2 .

It is a cyclic number.

It is not a de Polignac number, because 11144313265 - 2⁷ = 11144313137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114431322 + ... + 1114431331.

It is an arithmetic number, because the mean of its divisors is an integer number (3343293981).

Almost surely, 2^11144313265 is an apocalyptic number.

It is an amenable number.

11144313265 is a deficient number, since it is larger than the sum of its proper divisors (2228862659).

11144313265 is an equidigital number, since it uses as much as digits as its factorization.

11144313265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228862658.

The product of its digits is 8640, while the sum is 31.

Adding to 11144313265 its reverse (56231344111), we get a palindrome (67375657376).

The spelling of 11144313265 in words is "eleven billion, one hundred forty-four million, three hundred thirteen thousand, two hundred sixty-five".