12646268247505 has 8 divisors (see below), whose sum is σ = 15176119722624. Its totient is φ = 10116616047600.

The previous prime is 12646268247463. The next prime is 12646268247577. The reversal of 12646268247505 is 50574286264621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12646268247505 - 2⁷ = 12646268247377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12646268247505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49679151 + ... + 49933060.

It is an arithmetic number, because the mean of its divisors is an integer number (1897014965328).

Almost surely, 2^{12646268247505} is an apocalyptic number.

It is an amenable number.

12646268247505 is a deficient number, since it is larger than the sum of its proper divisors (2529851475119).

12646268247505 is an equidigital number, since it uses as much as digits as its factorization.

12646268247505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99637607.

The product of its (nonzero) digits is 38707200, while the sum is 58.

The spelling of 12646268247505 in words is "twelve trillion, six hundred forty-six billion, two hundred sixty-eight million, two hundred forty-seven thousand, five hundred five".