11544871255 has 4 divisors (see below), whose sum is σ = 13853845512. Its totient is φ = 9235897000.

The previous prime is 11544871223. The next prime is 11544871259. The reversal of 11544871255 is 55217844511.

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

It is not a de Polignac number, because 11544871255 - 2⁵ = 11544871223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544871259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1154487121 + ... + 1154487130.

It is an arithmetic number, because the mean of its divisors is an integer number (3463461378).

Almost surely, 2^11544871255 is an apocalyptic number.

11544871255 is a deficient number, since it is larger than the sum of its proper divisors (2308974257).

11544871255 is an equidigital number, since it uses as much as digits as its factorization.

11544871255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308974256.

The product of its digits is 224000, while the sum is 43.

The spelling of 11544871255 in words is "eleven billion, five hundred forty-four million, eight hundred seventy-one thousand, two hundred fifty-five".