2565264745527 has 12 divisors (see below), whose sum is σ = 3759561555960. Its totient is φ = 1554705906160.

The previous prime is 2565264745517. The next prime is 2565264745597. The reversal of 2565264745527 is 7255474625652.

It is not a de Polignac number, because 2565264745527 - 2⁸ = 2565264745271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565264745507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3533422152 + ... + 3533422877.

It is an arithmetic number, because the mean of its divisors is an integer number (313296796330).

Almost surely, 2^{2565264745527} is an apocalyptic number.

2565264745527 is a deficient number, since it is larger than the sum of its proper divisors (1194296810433).

2565264745527 is a wasteful number, since it uses less digits than its factorization.

2565264745527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066845054 (or 7066845043 counting only the distinct ones).

The product of its digits is 141120000, while the sum is 60.

The spelling of 2565264745527 in words is "two trillion, five hundred sixty-five billion, two hundred sixty-four million, seven hundred forty-five thousand, five hundred twenty-seven".