13111340225 has 24 divisors (see below), whose sum is σ = 16443947520. Its totient is φ = 10369581120.

The previous prime is 13111340213. The next prime is 13111340237. The reversal of 13111340225 is 52204311131.

It is an interprime number because it is at equal distance from previous prime (13111340213) and next prime (13111340237).

It is not a de Polignac number, because 13111340225 - 2⁶ = 13111340161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13111340225.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1267424 + ... + 1277726.

It is an arithmetic number, because the mean of its divisors is an integer number (685164480).

Almost surely, 2^13111340225 is an apocalyptic number.

It is an amenable number.

13111340225 is a deficient number, since it is larger than the sum of its proper divisors (3332607295).

13111340225 is a wasteful number, since it uses less digits than its factorization.

13111340225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10889 (or 10884 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 13111340225 its reverse (52204311131), we get a palindrome (65315651356).

The spelling of 13111340225 in words is "thirteen billion, one hundred eleven million, three hundred forty thousand, two hundred twenty-five".