11223445677779 has 8 divisors (see below), whose sum is σ = 11349674408160. Its totient is φ = 11097219672000.

The previous prime is 11223445677749. The next prime is 11223445677797. The reversal of 11223445677779 is 97777654432211.

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-11223445677779 is a prime.

It is a super-2 number, since 2×11223445677779² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11223445677749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8260034 + ... + 9522344.

It is an arithmetic number, because the mean of its divisors is an integer number (1418709301020).

Almost surely, 2^{11223445677779} is an apocalyptic number.

11223445677779 is a deficient number, since it is larger than the sum of its proper divisors (126228730381).

11223445677779 is an equidigital number, since it uses as much as digits as its factorization.

11223445677779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362301.

The product of its digits is 124467840, while the sum is 65.

The spelling of 11223445677779 in words is "eleven trillion, two hundred twenty-three billion, four hundred forty-five million, six hundred seventy-seven thousand, seven hundred seventy-nine".