13112226065 has 8 divisors (see below), whose sum is σ = 15780018240. Its totient is φ = 10459549552.

The previous prime is 13112226047. The next prime is 13112226067. The reversal of 13112226065 is 56062221131.

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

It is a cyclic number.

It is not a de Polignac number, because 13112226065 - 2⁸ = 13112225809 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13112226067) 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, 3777005 + ... + 3780474.

It is an arithmetic number, because the mean of its divisors is an integer number (1972502280).

Almost surely, 2^13112226065 is an apocalyptic number.

It is an amenable number.

13112226065 is a deficient number, since it is larger than the sum of its proper divisors (2667792175).

13112226065 is an equidigital number, since it uses as much as digits as its factorization.

13112226065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7557831.

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 13112226065 its reverse (56062221131), we get a palindrome (69174447196).

The spelling of 13112226065 in words is "thirteen billion, one hundred twelve million, two hundred twenty-six thousand, sixty-five".