12556060601 has 4 divisors (see below), whose sum is σ = 14349783552. Its totient is φ = 10762337652.

The previous prime is 12556060579. The next prime is 12556060609. The reversal of 12556060601 is 10606065521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12556060601 - 2⁶ = 12556060537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12556060609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896861465 + ... + 896861478.

It is an arithmetic number, because the mean of its divisors is an integer number (3587445888).

Almost surely, 2^12556060601 is an apocalyptic number.

It is an amenable number.

12556060601 is a deficient number, since it is larger than the sum of its proper divisors (1793722951).

12556060601 is an equidigital number, since it uses as much as digits as its factorization.

12556060601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793722950.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 12556060601 in words is "twelve billion, five hundred fifty-six million, sixty thousand, six hundred one".