12885767265 has 32 divisors (see below), whose sum is σ = 23961922560. Its totient is φ = 5790792384.

The previous prime is 12885767243. The next prime is 12885767291. The reversal of 12885767265 is 56276758821.

It is not a de Polignac number, because 12885767265 - 2⁵ = 12885767233 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1033819 + ... + 1046208.

It is an arithmetic number, because the mean of its divisors is an integer number (748810080).

Almost surely, 2^12885767265 is an apocalyptic number.

12885767265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12885767265 is a deficient number, since it is larger than the sum of its proper divisors (11076155295).

12885767265 is a wasteful number, since it uses less digits than its factorization.

12885767265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080101.

The product of its digits is 11289600, while the sum is 57.

The spelling of 12885767265 in words is "twelve billion, eight hundred eighty-five million, seven hundred sixty-seven thousand, two hundred sixty-five".