13111224412225 has 12 divisors (see below), whose sum is σ = 16782367248640. Its totient is φ = 10150625350800.

The previous prime is 13111224412151. The next prime is 13111224412261. The reversal of 13111224412225 is 52221442211131.

It is a happy number.

It is not a de Polignac number, because 13111224412225 - 2²¹ = 13111222315073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8458853685 + ... + 8458855234.

Almost surely, 2^{13111224412225} is an apocalyptic number.

It is an amenable number.

13111224412225 is a deficient number, since it is larger than the sum of its proper divisors (3671142836415).

13111224412225 is a wasteful number, since it uses less digits than its factorization.

13111224412225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16917708960 (or 16917708955 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

Adding to 13111224412225 its reverse (52221442211131), we get a palindrome (65332666623356).

The spelling of 13111224412225 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-four million, four hundred twelve thousand, two hundred twenty-five".