2565632042356 has 6 divisors (see below), whose sum is σ = 4489856074130. Its totient is φ = 1282816021176.

The previous prime is 2565632042333. The next prime is 2565632042377. The reversal of 2565632042356 is 6532402365652.

2565632042356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1558752250000 + 1006879792356 = 1248500^2 + 1003434^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320704005291 + ... + 320704005298.

Almost surely, 2^{2565632042356} is an apocalyptic number.

It is an amenable number.

2565632042356 is a deficient number, since it is larger than the sum of its proper divisors (1924224031774).

2565632042356 is a wasteful number, since it uses less digits than its factorization.

2565632042356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641408010593 (or 641408010591 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 2565632042356 in words is "two trillion, five hundred sixty-five billion, six hundred thirty-two million, forty-two thousand, three hundred fifty-six".