52321581171718 has 4 divisors (see below), whose sum is σ = 78482371757580. Its totient is φ = 26160790585858.

The previous prime is 52321581171667. The next prime is 52321581171721. The reversal of 52321581171718 is 81717118512325.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080395292928 + ... + 13080395292931.

It is an arithmetic number, because the mean of its divisors is an integer number (19620592939395).

Almost surely, 2^{52321581171718} is an apocalyptic number.

52321581171718 is a deficient number, since it is larger than the sum of its proper divisors (26160790585862).

52321581171718 is a wasteful number, since it uses less digits than its factorization.

52321581171718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160790585861.

The product of its digits is 940800, while the sum is 52.

The spelling of 52321581171718 in words is "fifty-two trillion, three hundred twenty-one billion, five hundred eighty-one million, one hundred seventy-one thousand, seven hundred eighteen".