112319911 has 4 divisors (see below), whose sum is σ = 122530824. Its totient is φ = 102109000.

The previous prime is 112319891. The next prime is 112319927. The reversal of 112319911 is 119913211.

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

It is a cyclic number.

It is not a de Polignac number, because 112319911 - 2⁷ = 112319783 is a prime.

It is a super-4 number, since 4×112319911⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112319911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112319981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5105440 + ... + 5105461.

It is an arithmetic number, because the mean of its divisors is an integer number (30632706).

Almost surely, 2^112319911 is an apocalyptic number.

112319911 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112319911 is a deficient number, since it is larger than the sum of its proper divisors (10210913).

112319911 is a wasteful number, since it uses less digits than its factorization.

112319911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210912.

The product of its digits is 486, while the sum is 28.

The square root of 112319911 is about 10598.1088407319. The cubic root of 112319911 is about 482.4869635931.

It can be divided in two parts, 112 and 319911, that added together give a palindrome (320023).

The spelling of 112319911 in words is "one hundred twelve million, three hundred nineteen thousand, nine hundred eleven".