112112013405 has 32 divisors (see below), whose sum is σ = 205050359808. Its totient is φ = 51239822400.

The previous prime is 112112013401. The next prime is 112112013407. The reversal of 112112013405 is 504310211211.

It is not a de Polignac number, because 112112013405 - 2² = 112112013401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112013401) 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 31 ways as a sum of consecutive naturals, for example, 365770 + ... + 598340.

It is an arithmetic number, because the mean of its divisors is an integer number (6407823744).

Almost surely, 2^112112013405 is an apocalyptic number.

112112013405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112112013405 is a deficient number, since it is larger than the sum of its proper divisors (92938346403).

112112013405 is a wasteful number, since it uses less digits than its factorization.

112112013405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237177.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 112112013405 its reverse (504310211211), we get a palindrome (616422224616).

The spelling of 112112013405 in words is "one hundred twelve billion, one hundred twelve million, thirteen thousand, four hundred five".