2543140238385 has 16 divisors (see below), whose sum is σ = 4069170020160. Its totient is φ = 1356292914240.

The previous prime is 2543140238369. The next prime is 2543140238417. The reversal of 2543140238385 is 5838320413452.

It is not a de Polignac number, because 2543140238385 - 2⁴ = 2543140238369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2599071 + ... + 3441140.

It is an arithmetic number, because the mean of its divisors is an integer number (254323126260).

Almost surely, 2^{2543140238385} is an apocalyptic number.

It is an amenable number.

2543140238385 is a deficient number, since it is larger than the sum of its proper divisors (1526029781775).

2543140238385 is a wasteful number, since it uses less digits than its factorization.

2543140238385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6068288.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 2543140238385 in words is "two trillion, five hundred forty-three billion, one hundred forty million, two hundred thirty-eight thousand, three hundred eighty-five".