11256112817 has 8 divisors (see below), whose sum is σ = 11533173792. Its totient is φ = 10979172000.

The previous prime is 11256112781. The next prime is 11256112823. The reversal of 11256112817 is 71821165211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11256112817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11256112837) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 176942 + ... + 231992.

It is an arithmetic number, because the mean of its divisors is an integer number (1441646724).

Almost surely, 2^11256112817 is an apocalyptic number.

It is an amenable number.

11256112817 is a deficient number, since it is larger than the sum of its proper divisors (277060975).

11256112817 is an equidigital number, since it uses as much as digits as its factorization.

11256112817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60079.

The product of its digits is 6720, while the sum is 35.

The spelling of 11256112817 in words is "eleven billion, two hundred fifty-six million, one hundred twelve thousand, eight hundred seventeen".