12536217253 has 8 divisors (see below), whose sum is σ = 14597428608. Its totient is φ = 10542586704.

The previous prime is 12536217247. The next prime is 12536217293. The reversal of 12536217253 is 35271263521.

It is a happy number.

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 12536217253 - 2¹⁷ = 12536086181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536217293) 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, 16894801 + ... + 16895542.

It is an arithmetic number, because the mean of its divisors is an integer number (1824678576).

Almost surely, 2^12536217253 is an apocalyptic number.

It is an amenable number.

12536217253 is a deficient number, since it is larger than the sum of its proper divisors (2061211355).

12536217253 is an equidigital number, since it uses as much as digits as its factorization.

12536217253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33790403.

The product of its digits is 75600, while the sum is 37.

The spelling of 12536217253 in words is "twelve billion, five hundred thirty-six million, two hundred seventeen thousand, two hundred fifty-three".