111422406505 has 8 divisors (see below), whose sum is σ = 133709730624. Its totient is φ = 89136030000.

The previous prime is 111422406497. The next prime is 111422406509. The reversal of 111422406505 is 505604224111.

It is a happy number.

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

It is not a de Polignac number, because 111422406505 - 2³ = 111422406497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111422406509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54330 + ... + 475180.

It is an arithmetic number, because the mean of its divisors is an integer number (16713716328).

Almost surely, 2^111422406505 is an apocalyptic number.

It is an amenable number.

111422406505 is a deficient number, since it is larger than the sum of its proper divisors (22287324119).

111422406505 is an equidigital number, since it uses as much as digits as its factorization.

111422406505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473807.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 111422406505 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred six thousand, five hundred five".