11948864255 has 4 divisors (see below), whose sum is σ = 14338637112. Its totient is φ = 9559091400.

The previous prime is 11948864227. The next prime is 11948864261. The reversal of 11948864255 is 55246884911.

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

It is not a de Polignac number, because 11948864255 - 2³² = 7653896959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11948864197 and 11948864206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194886421 + ... + 1194886430.

It is an arithmetic number, because the mean of its divisors is an integer number (3584659278).

Almost surely, 2^11948864255 is an apocalyptic number.

11948864255 is a deficient number, since it is larger than the sum of its proper divisors (2389772857).

11948864255 is an equidigital number, since it uses as much as digits as its factorization.

11948864255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389772856.

The product of its digits is 2764800, while the sum is 53.

The spelling of 11948864255 in words is "eleven billion, nine hundred forty-eight million, eight hundred sixty-four thousand, two hundred fifty-five".