111926378916 has 243 divisors, whose sum is σ = 321965809347. Its totient is φ = 32759527680.

The previous prime is 111926378911. The next prime is 111926378929. The reversal of 111926378916 is 619873629111.

The square root of 111926378916 is 334554.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 29878505316 + 82047873600 = 172854^2 + 286440^2 .

It is not an unprimeable number, because it can be changed into a prime (111926378911) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 816980800 + ... + 816980936.

Almost surely, 2^111926378916 is an apocalyptic number.

111926378916 is the 334554-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111926378916

111926378916 is an abundant number, since it is smaller than the sum of its proper divisors (210039430431).

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

111926378916 is a wasteful number, since it uses less digits than its factorization.

111926378916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 190 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The spelling of 111926378916 in words is "one hundred eleven billion, nine hundred twenty-six million, three hundred seventy-eight thousand, nine hundred sixteen".