111382426 has 4 divisors (see below), whose sum is σ = 167073642. Its totient is φ = 55691212.

The previous prime is 111382393. The next prime is 111382441. The reversal of 111382426 is 624283111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624283111 = 607 ⋅1028473.

It can be written as a sum of positive squares in only one way, i.e., 106069401 + 5313025 = 10299^2 + 2305^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111382394 and 111382403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27845605 + ... + 27845608.

Almost surely, 2^111382426 is an apocalyptic number.

111382426 is a deficient number, since it is larger than the sum of its proper divisors (55691216).

111382426 is an equidigital number, since it uses as much as digits as its factorization.

111382426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55691215.

The product of its digits is 2304, while the sum is 28.

The square root of 111382426 is about 10553.7872822982. The cubic root of 111382426 is about 481.1408424828.

The spelling of 111382426 in words is "one hundred eleven million, three hundred eighty-two thousand, four hundred twenty-six".