12788765025 has 12 divisors (see below), whose sum is σ = 21144091632. Its totient is φ = 6820674640.

The previous prime is 12788765023. The next prime is 12788765027. The reversal of 12788765025 is 52056788721.

It is an interprime number because it is at equal distance from previous prime (12788765023) and next prime (12788765027).

It is not a de Polignac number, because 12788765025 - 2¹ = 12788765023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12788765023) 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, 85258359 + ... + 85258508.

It is an arithmetic number, because the mean of its divisors is an integer number (1762007636).

Almost surely, 2^12788765025 is an apocalyptic number.

12788765025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12788765025 is a deficient number, since it is larger than the sum of its proper divisors (8355326607).

12788765025 is a wasteful number, since it uses less digits than its factorization.

12788765025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170516880 (or 170516875 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 51.

The spelling of 12788765025 in words is "twelve billion, seven hundred eighty-eight million, seven hundred sixty-five thousand, twenty-five".