11256435340243 has 8 divisors (see below), whose sum is σ = 11646576607680. Its totient is φ = 10866426627840.

The previous prime is 11256435340133. The next prime is 11256435340247. The reversal of 11256435340243 is 34204353465211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11256435340243 - 2³³ = 11247845405651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11256435340243.

It is not an unprimeable number, because it can be changed into a prime (11256435340247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32965963 + ... + 33305668.

It is an arithmetic number, because the mean of its divisors is an integer number (1455822075960).

Almost surely, 2^{11256435340243} is an apocalyptic number.

11256435340243 is a deficient number, since it is larger than the sum of its proper divisors (390141267437).

11256435340243 is an equidigital number, since it uses as much as digits as its factorization.

11256435340243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66277517.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 11256435340243 in words is "eleven trillion, two hundred fifty-six billion, four hundred thirty-five million, three hundred forty thousand, two hundred forty-three".