11223455555567 has 4 divisors (see below), whose sum is σ = 11226319416480. Its totient is φ = 11220591694656.

The previous prime is 11223455555537. The next prime is 11223455555573. The reversal of 11223455555567 is 76555555432211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11223455555567 - 2⁶ = 11223455555503 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223455555537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1431924578 + ... + 1431932415.

It is an arithmetic number, because the mean of its divisors is an integer number (2806579854120).

Almost surely, 2^{11223455555567} is an apocalyptic number.

11223455555567 is a deficient number, since it is larger than the sum of its proper divisors (2863860913).

11223455555567 is an equidigital number, since it uses as much as digits as its factorization.

11223455555567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863860912.

The product of its digits is 31500000, while the sum is 56.

The spelling of 11223455555567 in words is "eleven trillion, two hundred twenty-three billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred sixty-seven".