2152594161791 has 4 divisors (see below), whose sum is σ = 2152635556632. Its totient is φ = 2152552766952.

The previous prime is 2152594161709. The next prime is 2152594161797. The reversal of 2152594161791 is 1971614952512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2152594161791 - 2¹⁴ = 2152594145407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152594161797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20619320 + ... + 20723453.

It is an arithmetic number, because the mean of its divisors is an integer number (538158889158).

Almost surely, 2^{2152594161791} is an apocalyptic number.

2152594161791 is a deficient number, since it is larger than the sum of its proper divisors (41394841).

2152594161791 is an equidigital number, since it uses as much as digits as its factorization.

2152594161791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41394840.

The product of its digits is 1360800, while the sum is 53.

The spelling of 2152594161791 in words is "two trillion, one hundred fifty-two billion, five hundred ninety-four million, one hundred sixty-one thousand, seven hundred ninety-one".