20125600636265 has 8 divisors (see below), whose sum is σ = 24210947002248. Its totient is φ = 16060329683200.

The previous prime is 20125600636259. The next prime is 20125600636319. The reversal of 20125600636265 is 56263600652102.

It can be written as a sum of positive squares in 4 ways, for example, as 2194415598736 + 17931185037529 = 1481356^2 + 4234523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20125600636265 - 2²⁰ = 20125599587689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5018851022 + ... + 5018855031.

It is an arithmetic number, because the mean of its divisors is an integer number (3026368375281).

Almost surely, 2^{20125600636265} is an apocalyptic number.

It is an amenable number.

20125600636265 is a deficient number, since it is larger than the sum of its proper divisors (4085346365983).

20125600636265 is a wasteful number, since it uses less digits than its factorization.

20125600636265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10037706459.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20125600636265 in words is "twenty trillion, one hundred twenty-five billion, six hundred million, six hundred thirty-six thousand, two hundred sixty-five".