2565140305236 has 12 divisors (see below), whose sum is σ = 5985327378912. Its totient is φ = 855046768408.

The previous prime is 2565140305223. The next prime is 2565140305237. The reversal of 2565140305236 is 6325030415652.

It is a happy number.

2565140305236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565140305237) 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, 106880846040 + ... + 106880846063.

It is an arithmetic number, because the mean of its divisors is an integer number (498777281576).

Almost surely, 2^{2565140305236} is an apocalyptic number.

It is an amenable number.

2565140305236 is an abundant number, since it is smaller than the sum of its proper divisors (3420187073676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2565140305236 is a wasteful number, since it uses less digits than its factorization.

2565140305236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213761692110 (or 213761692108 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 2565140305236 in words is "two trillion, five hundred sixty-five billion, one hundred forty million, three hundred five thousand, two hundred thirty-six".