12595528965 has 32 divisors (see below), whose sum is σ = 20858976000. Its totient is φ = 6482488320.

The previous prime is 12595528961. The next prime is 12595528987. The reversal of 12595528965 is 56982559521.

It is not a de Polignac number, because 12595528965 - 2² = 12595528961 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12595528961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 933336 + ... + 946734.

It is an arithmetic number, because the mean of its divisors is an integer number (651843000).

Almost surely, 2^12595528965 is an apocalyptic number.

12595528965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12595528965 is a deficient number, since it is larger than the sum of its proper divisors (8263447035).

12595528965 is a wasteful number, since it uses less digits than its factorization.

12595528965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15597.

The product of its digits is 9720000, while the sum is 57.

The spelling of 12595528965 in words is "twelve billion, five hundred ninety-five million, five hundred twenty-eight thousand, nine hundred sixty-five".