2052112171605 has 32 divisors (see below), whose sum is σ = 3288754224000. Its totient is φ = 1092669683712.

The previous prime is 2052112171537. The next prime is 2052112171619. The reversal of 2052112171605 is 5061712112502.

It is not a de Polignac number, because 2052112171605 - 2⁹ = 2052112171093 is a prime.

It is a super-3 number, since 3×2052112171605³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23385622 + ... + 23473208.

It is an arithmetic number, because the mean of its divisors is an integer number (102773569500).

Almost surely, 2^{2052112171605} is an apocalyptic number.

It is an amenable number.

2052112171605 is a deficient number, since it is larger than the sum of its proper divisors (1236642052395).

2052112171605 is a wasteful number, since it uses less digits than its factorization.

2052112171605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90133.

The product of its (nonzero) digits is 8400, while the sum is 33.

The spelling of 2052112171605 in words is "two trillion, fifty-two billion, one hundred twelve million, one hundred seventy-one thousand, six hundred five".