13124442111225 has 96 divisors (see below), whose sum is σ = 22205538754560. Its totient is φ = 6836947645440.

The previous prime is 13124442111181. The next prime is 13124442111229. The reversal of 13124442111225 is 52211124442131.

It is a happy number.

It is not a de Polignac number, because 13124442111225 - 2¹⁸ = 13124441849081 is a prime.

It is a super-2 number, since 2×13124442111225² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13124442111229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5789342542 + ... + 5789344808.

It is an arithmetic number, because the mean of its divisors is an integer number (231307695360).

Almost surely, 2^{13124442111225} is an apocalyptic number.

13124442111225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13124442111225 is a deficient number, since it is larger than the sum of its proper divisors (9081096643335).

13124442111225 is a wasteful number, since it uses less digits than its factorization.

13124442111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4919 (or 4914 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

Adding to 13124442111225 its reverse (52211124442131), we get a palindrome (65335566553356).

The spelling of 13124442111225 in words is "thirteen trillion, one hundred twenty-four billion, four hundred forty-two million, one hundred eleven thousand, two hundred twenty-five".