13662232125 has 64 divisors (see below), whose sum is σ = 23110334208. Its totient is φ = 7166880000.

The previous prime is 13662232099. The next prime is 13662232127. The reversal of 13662232125 is 52123226631.

It is a happy number.

It is not a de Polignac number, because 13662232125 - 2¹² = 13662228029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13662232127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6172519 + ... + 6174731.

It is an arithmetic number, because the mean of its divisors is an integer number (361098972).

Almost surely, 2^13662232125 is an apocalyptic number.

13662232125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13662232125 is a deficient number, since it is larger than the sum of its proper divisors (9448102083).

13662232125 is a wasteful number, since it uses less digits than its factorization.

13662232125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2485 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

Adding to 13662232125 its reverse (52123226631), we get a palindrome (65785458756).

The spelling of 13662232125 in words is "thirteen billion, six hundred sixty-two million, two hundred thirty-two thousand, one hundred twenty-five".