111946378 has 4 divisors (see below), whose sum is σ = 167919570. Its totient is φ = 55973188.

The previous prime is 111946361. The next prime is 111946381. The reversal of 111946378 is 873649111.

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

It can be written as a sum of positive squares in only one way, i.e., 74528689 + 37417689 = 8633^2 + 6117^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111946378.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27986593 + ... + 27986596.

Almost surely, 2^111946378 is an apocalyptic number.

111946378 is a deficient number, since it is larger than the sum of its proper divisors (55973192).

111946378 is an equidigital number, since it uses as much as digits as its factorization.

111946378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55973191.

The product of its digits is 36288, while the sum is 40.

The square root of 111946378 is about 10580.4715395865. The cubic root of 111946378 is about 481.9515139786.

The spelling of 111946378 in words is "one hundred eleven million, nine hundred forty-six thousand, three hundred seventy-eight".