12111265255 has 16 divisors (see below), whose sum is σ = 14588352000. Its totient is φ = 9652517280.

The previous prime is 12111265253. The next prime is 12111265259. The reversal of 12111265255 is 55256211121.

It is not a de Polignac number, because 12111265255 - 2¹ = 12111265253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111265253) 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, 1950646 + ... + 1956844.

It is an arithmetic number, because the mean of its divisors is an integer number (911772000).

Almost surely, 2^12111265255 is an apocalyptic number.

12111265255 is a deficient number, since it is larger than the sum of its proper divisors (2477086745).

12111265255 is a wasteful number, since it uses less digits than its factorization.

12111265255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614.

The product of its digits is 6000, while the sum is 31.

Adding to 12111265255 its reverse (55256211121), we get a palindrome (67367476376).

The spelling of 12111265255 in words is "twelve billion, one hundred eleven million, two hundred sixty-five thousand, two hundred fifty-five".