11228387678966 has 4 divisors (see below), whose sum is σ = 16842581518452. Its totient is φ = 5614193839482.

The previous prime is 11228387678941. The next prime is 11228387679013. The reversal of 11228387678966 is 66987678382211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11228387678893 and 11228387678902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2807096919740 + ... + 2807096919743.

It is an arithmetic number, because the mean of its divisors is an integer number (4210645379613).

Almost surely, 2^{11228387678966} is an apocalyptic number.

11228387678966 is a deficient number, since it is larger than the sum of its proper divisors (5614193839486).

11228387678966 is an equidigital number, since it uses as much as digits as its factorization.

11228387678966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5614193839485.

The product of its digits is 585252864, while the sum is 74.

The spelling of 11228387678966 in words is "eleven trillion, two hundred twenty-eight billion, three hundred eighty-seven million, six hundred seventy-eight thousand, nine hundred sixty-six".