112111405 has 16 divisors (see below), whose sum is σ = 155168640. Its totient is φ = 76168512.

The previous prime is 112111357. The next prime is 112111427. The reversal of 112111405 is 504111211.

It is not a de Polignac number, because 112111405 - 2¹³ = 112103213 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10879 + ... + 18508.

It is an arithmetic number, because the mean of its divisors is an integer number (9698040).

Almost surely, 2^112111405 is an apocalyptic number.

It is an amenable number.

112111405 is a deficient number, since it is larger than the sum of its proper divisors (43057235).

112111405 is a wasteful number, since it uses less digits than its factorization.

112111405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29508.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 112111405 is about 10588.2673275659. The cubic root of 112111405 is about 482.1882224320.

Adding to 112111405 its reverse (504111211), we get a palindrome (616222616).

The spelling of 112111405 in words is "one hundred twelve million, one hundred eleven thousand, four hundred five".