12355211266055 has 96 divisors (see below), whose sum is σ = 18059598648000. Its totient is φ = 8080227133440.

The previous prime is 12355211266003. The next prime is 12355211266147. The reversal of 12355211266055 is 55066211255321.

It is not a de Polignac number, because 12355211266055 - 2²⁰ = 12355210217479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12355211265997 and 12355211266015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 689879441 + ... + 689897349.

It is an arithmetic number, because the mean of its divisors is an integer number (188120819250).

Almost surely, 2^{12355211266055} is an apocalyptic number.

12355211266055 is a deficient number, since it is larger than the sum of its proper divisors (5704387381945).

12355211266055 is a wasteful number, since it uses less digits than its factorization.

12355211266055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19137 (or 19130 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 12355211266055 in words is "twelve trillion, three hundred fifty-five billion, two hundred eleven million, two hundred sixty-six thousand, fifty-five".