2566535135212 has 12 divisors (see below), whose sum is σ = 4600983718296. Its totient is φ = 1251968358560.

The previous prime is 2566535135207. The next prime is 2566535135231. The reversal of 2566535135212 is 2125315356652.

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 3 ways as a sum of consecutive naturals, for example, 7824802078 + ... + 7824802405.

It is an arithmetic number, because the mean of its divisors is an integer number (383415309858).

Almost surely, 2^{2566535135212} is an apocalyptic number.

It is an amenable number.

2566535135212 is a deficient number, since it is larger than the sum of its proper divisors (2034448583084).

2566535135212 is a wasteful number, since it uses less digits than its factorization.

2566535135212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15649604528 (or 15649604526 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 46.

The spelling of 2566535135212 in words is "two trillion, five hundred sixty-six billion, five hundred thirty-five million, one hundred thirty-five thousand, two hundred twelve".