11223678816 has 120 divisors (see below), whose sum is σ = 37724092560. Its totient is φ = 3206760192.

The previous prime is 11223678799. The next prime is 11223678821. The reversal of 11223678816 is 61887632211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 291151 + ... + 327438.

It is an arithmetic number, because the mean of its divisors is an integer number (314367438).

Almost surely, 2^11223678816 is an apocalyptic number.

11223678816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11223678816 is an abundant number, since it is smaller than the sum of its proper divisors (26500413744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11223678816 is an equidigital number, since it uses as much as digits as its factorization.

11223678816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618618 (or 618601 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11223678816 in words is "eleven billion, two hundred twenty-three million, six hundred seventy-eight thousand, eight hundred sixteen".