12255263155 has 4 divisors (see below), whose sum is σ = 14706315792. Its totient is φ = 9804210520.

The previous prime is 12255263129. The next prime is 12255263177. The reversal of 12255263155 is 55136255221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12255263155 - 2⁵ = 12255263123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225526311 + ... + 1225526320.

It is an arithmetic number, because the mean of its divisors is an integer number (3676578948).

Almost surely, 2^12255263155 is an apocalyptic number.

12255263155 is a deficient number, since it is larger than the sum of its proper divisors (2451052637).

12255263155 is an equidigital number, since it uses as much as digits as its factorization.

12255263155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451052636.

The product of its digits is 90000, while the sum is 37.

The spelling of 12255263155 in words is "twelve billion, two hundred fifty-five million, two hundred sixty-three thousand, one hundred fifty-five".