111356426 has 8 divisors (see below), whose sum is σ = 176860260. Its totient is φ = 52403008.

The previous prime is 111356411. The next prime is 111356429. The reversal of 111356426 is 624653111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 96924025 + 14432401 = 9845^2 + 3799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111356426² = 24800507222986952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111356429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637561 + ... + 1637628.

Almost surely, 2^111356426 is an apocalyptic number.

111356426 is a deficient number, since it is larger than the sum of its proper divisors (65503834).

111356426 is a wasteful number, since it uses less digits than its factorization.

111356426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275208.

The product of its digits is 4320, while the sum is 29.

The square root of 111356426 is about 10552.5554251091. Note that the first 3 decimals coincide. The cubic root of 111356426 is about 481.1034020000.

The spelling of 111356426 in words is "one hundred eleven million, three hundred fifty-six thousand, four hundred twenty-six".