111344214540 has 48 divisors (see below), whose sum is σ = 335745633888. Its totient is φ = 27407806464.

The previous prime is 111344214511. The next prime is 111344214557. The reversal of 111344214540 is 45412443111.

It is a super-2 number, since 2×111344214540² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 111344214498 and 111344214507.

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, 71373717 + ... + 71375276.

It is an arithmetic number, because the mean of its divisors is an integer number (6994700706).

Almost surely, 2^111344214540 is an apocalyptic number.

111344214540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111344214540 is an abundant number, since it is smaller than the sum of its proper divisors (224401419348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111344214540 is a wasteful number, since it uses less digits than its factorization.

111344214540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142749018 (or 142749016 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 111344214540 its reverse (45412443111), we get a palindrome (156756657651).

The spelling of 111344214540 in words is "one hundred eleven billion, three hundred forty-four million, two hundred fourteen thousand, five hundred forty".