2540968041143 has 4 divisors (see below), whose sum is σ = 2903963475600. Its totient is φ = 2177972606688.

The previous prime is 2540968041043. The next prime is 2540968041169. The reversal of 2540968041143 is 3411408690452.

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 2540968041143 - 2²⁸ = 2540699605687 is a prime.

It is a super-2 number, since 2×2540968041143² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2540968041043) 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, 181497717218 + ... + 181497717231.

It is an arithmetic number, because the mean of its divisors is an integer number (725990868900).

Almost surely, 2^{2540968041143} is an apocalyptic number.

2540968041143 is a deficient number, since it is larger than the sum of its proper divisors (362995434457).

2540968041143 is an equidigital number, since it uses as much as digits as its factorization.

2540968041143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362995434456.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 2540968041143 in words is "two trillion, five hundred forty billion, nine hundred sixty-eight million, forty-one thousand, one hundred forty-three".