12641263755 has 16 divisors (see below), whose sum is σ = 20231955744. Its totient is φ = 6740029440.

The previous prime is 12641263753. The next prime is 12641263759. The reversal of 12641263755 is 55736214621.

12641263755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12641263755 - 2¹ = 12641263753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12641263751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70036 + ... + 173745.

It is an arithmetic number, because the mean of its divisors is an integer number (1264497234).

Almost surely, 2^12641263755 is an apocalyptic number.

12641263755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641263755 is a deficient number, since it is larger than the sum of its proper divisors (7590691989).

12641263755 is a wasteful number, since it uses less digits than its factorization.

12641263755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247246.

The product of its digits is 302400, while the sum is 42.

It can be divided in two parts, 12641 and 263755, that added together give a triangular number (276396 = T₇₄₃).

The spelling of 12641263755 in words is "twelve billion, six hundred forty-one million, two hundred sixty-three thousand, seven hundred fifty-five".