111433990 has 8 divisors (see below), whose sum is σ = 200581200. Its totient is φ = 44573592.

The previous prime is 111433967. The next prime is 111434017. The reversal of 111433990 is 99334111.

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

It is a congruent number.

It is an unprimeable number.

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, 5571690 + ... + 5571709.

It is an arithmetic number, because the mean of its divisors is an integer number (25072650).

Almost surely, 2^111433990 is an apocalyptic number.

111433990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111433990 is a deficient number, since it is larger than the sum of its proper divisors (89147210).

111433990 is a wasteful number, since it uses less digits than its factorization.

111433990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11143406.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 111433990 is about 10556.2299141313. The cubic root of 111433990 is about 481.2150783678.

The spelling of 111433990 in words is "one hundred eleven million, four hundred thirty-three thousand, nine hundred ninety".