12765027525 has 24 divisors (see below), whose sum is σ = 21121505280. Its totient is φ = 6802640640.

The previous prime is 12765027521. The next prime is 12765027529. The reversal of 12765027525 is 52572056721.

It is an interprime number because it is at equal distance from previous prime (12765027521) and next prime (12765027529).

It is not a de Polignac number, because 12765027525 - 2² = 12765027521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12765027521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29389 + ... + 162461.

It is an arithmetic number, because the mean of its divisors is an integer number (880062720).

Almost surely, 2^12765027525 is an apocalyptic number.

12765027525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12765027525 is a deficient number, since it is larger than the sum of its proper divisors (8356477755).

12765027525 is a wasteful number, since it uses less digits than its factorization.

12765027525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134365 (or 134360 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 12765027525 in words is "twelve billion, seven hundred sixty-five million, twenty-seven thousand, five hundred twenty-five".