111450022005 has 24 divisors (see below), whose sum is σ = 207433511712. Its totient is φ = 50948581152.

The previous prime is 111450021997. The next prime is 111450022069. The reversal of 111450022005 is 500220054111.

It is not a de Polignac number, because 111450022005 - 2³ = 111450021997 is a prime.

It is a super-2 number, since 2×111450022005² (a number of 23 digits) contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75815607 + ... + 75817076.

It is an arithmetic number, because the mean of its divisors is an integer number (8643062988).

Almost surely, 2^111450022005 is an apocalyptic number.

111450022005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111450022005 is a deficient number, since it is larger than the sum of its proper divisors (95983489707).

111450022005 is a wasteful number, since it uses less digits than its factorization.

111450022005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151632705 (or 151632698 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 111450022005 its reverse (500220054111), we get a palindrome (611670076116).

The spelling of 111450022005 in words is "one hundred eleven billion, four hundred fifty million, twenty-two thousand, five".