12455351606 has 4 divisors (see below), whose sum is σ = 18683027412. Its totient is φ = 6227675802.

The previous prime is 12455351593. The next prime is 12455351609. The reversal of 12455351606 is 60615355421.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12455351606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455351609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113837900 + ... + 3113837903.

It is an arithmetic number, because the mean of its divisors is an integer number (4670756853).

Almost surely, 2^12455351606 is an apocalyptic number.

12455351606 is a deficient number, since it is larger than the sum of its proper divisors (6227675806).

12455351606 is an equidigital number, since it uses as much as digits as its factorization.

12455351606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227675805.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 12455351606 in words is "twelve billion, four hundred fifty-five million, three hundred fifty-one thousand, six hundred six".