2175120005 has 32 divisors (see below), whose sum is σ = 2779964928. Its totient is φ = 1630252800.

The previous prime is 2175120001. The next prime is 2175120047. The reversal of 2175120005 is 5000215712.

It is a happy number.

It is not a de Polignac number, because 2175120005 - 2² = 2175120001 is a prime.

It is a super-2 number, since 2×2175120005² = 9462294072302400050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2175120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2181167 + ... + 2182163.

It is an arithmetic number, because the mean of its divisors is an integer number (86873904).

Almost surely, 2^2175120005 is an apocalyptic number.

It is an amenable number.

2175120005 is a deficient number, since it is larger than the sum of its proper divisors (604844923).

2175120005 is a wasteful number, since it uses less digits than its factorization.

2175120005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 2175120005 is about 46638.1818363452. The cubic root of 2175120005 is about 1295.6700130002.

Adding to 2175120005 its reverse (5000215712), we get a palindrome (7175335717).

The spelling of 2175120005 in words is "two billion, one hundred seventy-five million, one hundred twenty thousand, five".