12606548555 has 8 divisors (see below), whose sum is σ = 15128517744. Its totient is φ = 10084799200.

The previous prime is 12606548551. The next prime is 12606548587. The reversal of 12606548555 is 55584560621.

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

It is not a de Polignac number, because 12606548555 - 2² = 12606548551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12606548551) 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 7 ways as a sum of consecutive naturals, for example, 124460 + ... + 201750.

It is an arithmetic number, because the mean of its divisors is an integer number (1891064718).

Almost surely, 2^12606548555 is an apocalyptic number.

12606548555 is a deficient number, since it is larger than the sum of its proper divisors (2521969189).

12606548555 is an equidigital number, since it uses as much as digits as its factorization.

12606548555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109917.

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 12606548555 in words is "twelve billion, six hundred six million, five hundred forty-eight thousand, five hundred fifty-five".