12266761055 has 4 divisors (see below), whose sum is σ = 14720113272. Its totient is φ = 9813408840.

The previous prime is 12266761037. The next prime is 12266761139. The reversal of 12266761055 is 55016766221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55016766221 = 28279 ⋅1945499.

It is not a de Polignac number, because 12266761055 - 2¹⁸ = 12266498911 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1226676101 + ... + 1226676110.

It is an arithmetic number, because the mean of its divisors is an integer number (3680028318).

Almost surely, 2^12266761055 is an apocalyptic number.

12266761055 is a deficient number, since it is larger than the sum of its proper divisors (2453352217).

12266761055 is an equidigital number, since it uses as much as digits as its factorization.

12266761055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453352216.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 12266761055 in words is "twelve billion, two hundred sixty-six million, seven hundred sixty-one thousand, fifty-five".