13113412225 has 24 divisors (see below), whose sum is σ = 16700554112. Its totient is φ = 10208721600.

The previous prime is 13113412223. The next prime is 13113412253. The reversal of 13113412225 is 52221431131.

It is not a de Polignac number, because 13113412225 - 2¹ = 13113412223 is a prime.

It is a super-3 number, since 3×13113412225³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13113412225.

It is not an unprimeable number, because it can be changed into a prime (13113412223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 268819 + ... + 313831.

Almost surely, 2^13113412225 is an apocalyptic number.

It is an amenable number.

13113412225 is a deficient number, since it is larger than the sum of its proper divisors (3587141887).

13113412225 is a wasteful number, since it uses less digits than its factorization.

13113412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45337 (or 45332 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

Adding to 13113412225 its reverse (52221431131), we get a palindrome (65334843356).

The spelling of 13113412225 in words is "thirteen billion, one hundred thirteen million, four hundred twelve thousand, two hundred twenty-five".