2105150171 has 8 divisors (see below), whose sum is σ = 2251053504. Its totient is φ = 1961699200.

The previous prime is 2105150143. The next prime is 2105150189. The reversal of 2105150171 is 1710515012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2105150171 is a prime.

It is a super-2 number, since 2×2105150171² = 8863314484922658482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2105150101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 611315 + ... + 614748.

It is an arithmetic number, because the mean of its divisors is an integer number (281381688).

Almost surely, 2^2105150171 is an apocalyptic number.

2105150171 is a deficient number, since it is larger than the sum of its proper divisors (145903333).

2105150171 is a wasteful number, since it uses less digits than its factorization.

2105150171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226181.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 2105150171 is about 45881.9155114518. The cubic root of 2105150171 is about 1281.6251677681.

Adding to 2105150171 its reverse (1710515012), we get a palindrome (3815665183).

The spelling of 2105150171 in words is "two billion, one hundred five million, one hundred fifty thousand, one hundred seventy-one".