858052042131 has 16 divisors (see below), whose sum is σ = 1147479955200. Its totient is φ = 570330034848.

The previous prime is 858052042097. The next prime is 858052042147. The reversal of 858052042131 is 131240250858.

It is not a de Polignac number, because 858052042131 - 2²⁷ = 857917824403 is a prime.

It is a super-2 number, since 2×858052042131² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 858052042131.

It is not an unprimeable number, because it can be changed into a prime (858052042151) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5642760 + ... + 5792826.

It is an arithmetic number, because the mean of its divisors is an integer number (71717497200).

Almost surely, 2^858052042131 is an apocalyptic number.

858052042131 is a deficient number, since it is larger than the sum of its proper divisors (289427913069).

858052042131 is a wasteful number, since it uses less digits than its factorization.

858052042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155738.

The product of its (nonzero) digits is 76800, while the sum is 39.

Adding to 858052042131 its reverse (131240250858), we get a palindrome (989292292989).

The spelling of 858052042131 in words is "eight hundred fifty-eight billion, fifty-two million, forty-two thousand, one hundred thirty-one".