11224456778 has 8 divisors (see below), whose sum is σ = 16837484160. Its totient is φ = 5611962060.

The previous prime is 11224456729. The next prime is 11224456783. The reversal of 11224456778 is 87765442211.

11224456778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11224456778² (a number of 21 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75488 + ... + 167771.

It is an arithmetic number, because the mean of its divisors is an integer number (2104685520).

Almost surely, 2^11224456778 is an apocalyptic number.

11224456778 is a deficient number, since it is larger than the sum of its proper divisors (5613027382).

11224456778 is a wasteful number, since it uses less digits than its factorization.

11224456778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266332.

The product of its digits is 752640, while the sum is 47.

Adding to 11224456778 its reverse (87765442211), we get a palindrome (98989898989).

The spelling of 11224456778 in words is "eleven billion, two hundred twenty-four million, four hundred fifty-six thousand, seven hundred seventy-eight".