11478488265 has 32 divisors (see below), whose sum is σ = 21064473600. Its totient is φ = 5924378880.

The previous prime is 11478488249. The next prime is 11478488267. The reversal of 11478488265 is 56288487411.

11478488265 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 11478488265 - 2⁴ = 11478488249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11478488267) 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 31 ways as a sum of consecutive naturals, for example, 1367200 + ... + 1375569.

It is an arithmetic number, because the mean of its divisors is an integer number (658264800).

Almost surely, 2^11478488265 is an apocalyptic number.

11478488265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11478488265 is a deficient number, since it is larger than the sum of its proper divisors (9585985335).

11478488265 is a wasteful number, since it uses less digits than its factorization.

11478488265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742814 (or 2742808 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The spelling of 11478488265 in words is "eleven billion, four hundred seventy-eight million, four hundred eighty-eight thousand, two hundred sixty-five".