12625613506 has 32 divisors (see below), whose sum is σ = 21856896000. Its totient is φ = 5409510480.

The previous prime is 12625613503. The next prime is 12625613521. The reversal of 12625613506 is 60531652621.

It is a super-2 number, since 2×12625613506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12625613501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7291 + ... + 159073.

It is an arithmetic number, because the mean of its divisors is an integer number (683028000).

Almost surely, 2^12625613506 is an apocalyptic number.

12625613506 is a deficient number, since it is larger than the sum of its proper divisors (9231282494).

12625613506 is a wasteful number, since it uses less digits than its factorization.

12625613506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152014.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12625613506 in words is "twelve billion, six hundred twenty-five million, six hundred thirteen thousand, five hundred six".