16125223005 has 48 divisors (see below), whose sum is σ = 28105608960. Its totient is φ = 8552484864.

The previous prime is 16125223001. The next prime is 16125223099. The reversal of 16125223005 is 50032252161.

It is a happy number.

It is not a de Polignac number, because 16125223005 - 2² = 16125223001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16125223005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16125223001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11443741 + ... + 11445149.

It is an arithmetic number, because the mean of its divisors is an integer number (585533520).

Almost surely, 2^16125223005 is an apocalyptic number.

16125223005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16125223005 is a deficient number, since it is larger than the sum of its proper divisors (11980385955).

16125223005 is a wasteful number, since it uses less digits than its factorization.

16125223005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 16125223005 its reverse (50032252161), we get a palindrome (66157475166).

The spelling of 16125223005 in words is "sixteen billion, one hundred twenty-five million, two hundred twenty-three thousand, five".