12600555150505 has 48 divisors (see below), whose sum is σ = 18386249042304. Its totient is φ = 8250235741440.

The previous prime is 12600555150479. The next prime is 12600555150509. The reversal of 12600555150505 is 50505155500621.

It is a happy number.

It is not a de Polignac number, because 12600555150505 - 2⁷ = 12600555150377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12600555150509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1259509 + ... + 5175661.

It is an arithmetic number, because the mean of its divisors is an integer number (383046855048).

Almost surely, 2^{12600555150505} is an apocalyptic number.

It is an amenable number.

12600555150505 is a deficient number, since it is larger than the sum of its proper divisors (5785693891799).

12600555150505 is a wasteful number, since it uses less digits than its factorization.

12600555150505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916766 (or 3916759 counting only the distinct ones).

The product of its (nonzero) digits is 187500, while the sum is 40.

The spelling of 12600555150505 in words is "twelve trillion, six hundred billion, five hundred fifty-five million, one hundred fifty thousand, five hundred five".