12895227565 has 16 divisors (see below), whose sum is σ = 16906611456. Its totient is φ = 9364132800.

The previous prime is 12895227547. The next prime is 12895227571. The reversal of 12895227565 is 56572259821.

It is not a de Polignac number, because 12895227565 - 2⁷ = 12895227437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140997 + ... + 213706.

It is an arithmetic number, because the mean of its divisors is an integer number (1056663216).

Almost surely, 2^12895227565 is an apocalyptic number.

It is an amenable number.

12895227565 is a deficient number, since it is larger than the sum of its proper divisors (4011383891).

12895227565 is a wasteful number, since it uses less digits than its factorization.

12895227565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355380.

The product of its digits is 3024000, while the sum is 52.

The spelling of 12895227565 in words is "twelve billion, eight hundred ninety-five million, two hundred twenty-seven thousand, five hundred sixty-five".