12625064465 has 16 divisors (see below), whose sum is σ = 16397472000. Its totient is φ = 9276265152.

The previous prime is 12625064461. The next prime is 12625064503. The reversal of 12625064465 is 56446052621.

It is a cyclic number.

It is not a de Polignac number, because 12625064465 - 2² = 12625064461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12625064461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475085 + ... + 500954.

It is an arithmetic number, because the mean of its divisors is an integer number (1024842000).

Almost surely, 2^12625064465 is an apocalyptic number.

It is an amenable number.

12625064465 is a deficient number, since it is larger than the sum of its proper divisors (3772407535).

12625064465 is a wasteful number, since it uses less digits than its factorization.

12625064465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976256.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 12625064465 in words is "twelve billion, six hundred twenty-five million, sixty-four thousand, four hundred sixty-five".