12565003163025 has 12 divisors (see below), whose sum is σ = 20774138562992. Its totient is φ = 6701335020240.

The previous prime is 12565003162979. The next prime is 12565003163039. The reversal of 12565003163025 is 52036130056521.

It is not a de Polignac number, because 12565003163025 - 2⁷ = 12565003162897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83766687679 + ... + 83766687828.

Almost surely, 2^{12565003163025} is an apocalyptic number.

12565003163025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12565003163025 is a deficient number, since it is larger than the sum of its proper divisors (8209135399967).

12565003163025 is a wasteful number, since it uses less digits than its factorization.

12565003163025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167533375520 (or 167533375515 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 12565003163025 in words is "twelve trillion, five hundred sixty-five billion, three million, one hundred sixty-three thousand, twenty-five".