2540115325123 has 4 divisors (see below), whose sum is σ = 2540341869408. Its totient is φ = 2539888780840.

The previous prime is 2540115325087. The next prime is 2540115325133. The reversal of 2540115325123 is 3215235110452.

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 2540115325123 - 2¹³ = 2540115316931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2540115325133) 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 3 ways as a sum of consecutive naturals, for example, 113255323 + ... + 113277748.

It is an arithmetic number, because the mean of its divisors is an integer number (635085467352).

Almost surely, 2^{2540115325123} is an apocalyptic number.

2540115325123 is a deficient number, since it is larger than the sum of its proper divisors (226544285).

2540115325123 is a wasteful number, since it uses less digits than its factorization.

2540115325123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226544284.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 2540115325123 in words is "two trillion, five hundred forty billion, one hundred fifteen million, three hundred twenty-five thousand, one hundred twenty-three".