12625252527640 has 32 divisors (see below), whose sum is σ = 28407011824080. Its totient is φ = 5050066586752.

The previous prime is 12625252527637. The next prime is 12625252527683. The reversal of 12625252527640 is 4672525252621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5337699 + ... + 7330861.

Almost surely, 2^{12625252527640} is an apocalyptic number.

12625252527640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12625252527640 is an abundant number, since it is smaller than the sum of its proper divisors (15781759296440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12625252527640 is a wasteful number, since it uses less digits than its factorization.

12625252527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151531 (or 2151527 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 12625252527640 in words is "twelve trillion, six hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-seven thousand, six hundred forty".