12555605073355 has 16 divisors (see below), whose sum is σ = 15953279772384. Its totient is φ = 9453468689920.

The previous prime is 12555605073353. The next prime is 12555605073359. The reversal of 12555605073355 is 55337050655521.

It is not a de Polignac number, because 12555605073355 - 2¹ = 12555605073353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12555605073353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3788985 + ... + 6282325.

It is an arithmetic number, because the mean of its divisors is an integer number (997079985774).

Almost surely, 2^{12555605073355} is an apocalyptic number.

12555605073355 is a deficient number, since it is larger than the sum of its proper divisors (3397674699029).

12555605073355 is a wasteful number, since it uses less digits than its factorization.

12555605073355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552606.

The product of its (nonzero) digits is 11812500, while the sum is 52.

The spelling of 12555605073355 in words is "twelve trillion, five hundred fifty-five billion, six hundred five million, seventy-three thousand, three hundred fifty-five".