2538205018756 has 24 divisors (see below), whose sum is σ = 4958353993824. Its totient is φ = 1126898633280.

The previous prime is 2538205018733. The next prime is 2538205018793. The reversal of 2538205018756 is 6578105028352.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 670771105 + ... + 670774888.

It is an arithmetic number, because the mean of its divisors is an integer number (206598083076).

Almost surely, 2^{2538205018756} is an apocalyptic number.

It is an amenable number.

2538205018756 is a deficient number, since it is larger than the sum of its proper divisors (2420148975068).

2538205018756 is a wasteful number, since it uses less digits than its factorization.

2538205018756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341546051 (or 1341546049 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 2538205018756 in words is "two trillion, five hundred thirty-eight billion, two hundred five million, eighteen thousand, seven hundred fifty-six".