11256444243 has 48 divisors (see below), whose sum is σ = 18967040352. Its totient is φ = 6357120000.

The previous prime is 11256444223. The next prime is 11256444259. The reversal of 11256444243 is 34244465211.

11256444243 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 644 + 4 + 2 + 4 + 3 = 666.

It is not a de Polignac number, because 11256444243 - 2⁸ = 11256443987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11256444198 and 11256444207.

It is not an unprimeable number, because it can be changed into a prime (11256444203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 136873 + ... + 203093.

It is an arithmetic number, because the mean of its divisors is an integer number (395146674).

Almost surely, 2^11256444243 is an apocalyptic number.

11256444243 is a deficient number, since it is larger than the sum of its proper divisors (7710596109).

11256444243 is a wasteful number, since it uses less digits than its factorization.

11256444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66356 (or 66353 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The spelling of 11256444243 in words is "eleven billion, two hundred fifty-six million, four hundred forty-four thousand, two hundred forty-three".