12265363551366 has 12 divisors (see below), whose sum is σ = 26574954361332. Its totient is φ = 4088454517116.

The previous prime is 12265363551253. The next prime is 12265363551377. The reversal of 12265363551366 is 66315536356221.

12265363551366 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 5 + 3 + 63 + 5 + 513 + 66 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 340704543076 + ... + 340704543111.

It is an arithmetic number, because the mean of its divisors is an integer number (2214579530111).

Almost surely, 2^{12265363551366} is an apocalyptic number.

12265363551366 is an abundant number, since it is smaller than the sum of its proper divisors (14309590809966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12265363551366 is a wasteful number, since it uses less digits than its factorization.

12265363551366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681409086195 (or 681409086192 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 54.

The spelling of 12265363551366 in words is "twelve trillion, two hundred sixty-five billion, three hundred sixty-three million, five hundred fifty-one thousand, three hundred sixty-six".