11312422643 has 16 divisors (see below), whose sum is σ = 11716911360. Its totient is φ = 10916200416.

The previous prime is 11312422637. The next prime is 11312422651. The reversal of 11312422643 is 34622421311.

It is a cyclic number.

It is not a de Polignac number, because 11312422643 - 2¹⁸ = 11312160499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312422543) 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 15 ways as a sum of consecutive naturals, for example, 1153346 + ... + 1163112.

It is an arithmetic number, because the mean of its divisors is an integer number (732306960).

Almost surely, 2^11312422643 is an apocalyptic number.

11312422643 is a deficient number, since it is larger than the sum of its proper divisors (404488717).

11312422643 is an equidigital number, since it uses as much as digits as its factorization.

11312422643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186.

The product of its digits is 6912, while the sum is 29.

Adding to 11312422643 its reverse (34622421311), we get a palindrome (45934843954).

The spelling of 11312422643 in words is "eleven billion, three hundred twelve million, four hundred twenty-two thousand, six hundred forty-three".