12853252505 has 8 divisors (see below), whose sum is σ = 15464601600. Its totient is φ = 10255469616.

The previous prime is 12853252501. The next prime is 12853252513. The reversal of 12853252505 is 50525235821.

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

It is a cyclic number.

It is not a de Polignac number, because 12853252505 - 2² = 12853252501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12853252501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3389465 + ... + 3393254.

It is an arithmetic number, because the mean of its divisors is an integer number (1933075200).

Almost surely, 2^12853252505 is an apocalyptic number.

It is an amenable number.

12853252505 is a deficient number, since it is larger than the sum of its proper divisors (2611349095).

12853252505 is an equidigital number, since it uses as much as digits as its factorization.

12853252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783103.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 12853252505 in words is "twelve billion, eight hundred fifty-three million, two hundred fifty-two thousand, five hundred five".