111344214505 has 16 divisors (see below), whose sum is σ = 138339906048. Its totient is φ = 85941504000.

The previous prime is 111344214467. The next prime is 111344214511. The reversal of 111344214505 is 505412443111.

It is not a de Polignac number, because 111344214505 - 2²⁵ = 111310660073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 1033816 + ... + 1136425.

It is an arithmetic number, because the mean of its divisors is an integer number (8646244128).

Almost surely, 2^111344214505 is an apocalyptic number.

It is an amenable number.

111344214505 is a deficient number, since it is larger than the sum of its proper divisors (26995691543).

111344214505 is a wasteful number, since it uses less digits than its factorization.

111344214505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170608.

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

Adding to 111344214505 its reverse (505412443111), we get a palindrome (616756657616).

The spelling of 111344214505 in words is "one hundred eleven billion, three hundred forty-four million, two hundred fourteen thousand, five hundred five".