258256120143 has 64 divisors (see below), whose sum is σ = 428139260928. Its totient is φ = 135078451200.

The previous prime is 258256120117. The next prime is 258256120181. The reversal of 258256120143 is 341021652852.

It is not a de Polignac number, because 258256120143 - 2¹⁰ = 258256119119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258256120643) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50865321 + ... + 50870397.

It is an arithmetic number, because the mean of its divisors is an integer number (6689675952).

Almost surely, 2^258256120143 is an apocalyptic number.

258256120143 is a deficient number, since it is larger than the sum of its proper divisors (169883140785).

258256120143 is a wasteful number, since it uses less digits than its factorization.

258256120143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8992.

The product of its (nonzero) digits is 115200, while the sum is 39.

Adding to 258256120143 its reverse (341021652852), we get a palindrome (599277772995).

The spelling of 258256120143 in words is "two hundred fifty-eight billion, two hundred fifty-six million, one hundred twenty thousand, one hundred forty-three".