112403643505 has 16 divisors (see below), whose sum is σ = 141526554624. Its totient is φ = 85537995840.

The previous prime is 112403643449. The next prime is 112403643511. The reversal of 112403643505 is 505346304211.

It is not a de Polignac number, because 112403643505 - 2¹⁷ = 112403512433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2679249 + ... + 2720878.

It is an arithmetic number, because the mean of its divisors is an integer number (8845409664).

Almost surely, 2^112403643505 is an apocalyptic number.

It is an amenable number.

112403643505 is a deficient number, since it is larger than the sum of its proper divisors (29122911119).

112403643505 is a wasteful number, since it uses less digits than its factorization.

112403643505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400336.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 112403643505 its reverse (505346304211), we get a palindrome (617749947716).

The spelling of 112403643505 in words is "one hundred twelve billion, four hundred three million, six hundred forty-three thousand, five hundred five".