13636041209872 has 10 divisors (see below), whose sum is σ = 26419829844158. Its totient is φ = 6818020604928.

The previous prime is 13636041209831. The next prime is 13636041209881. The reversal of 13636041209872 is 27890214063631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13429703598336 + 206337611536 = 3664656^2 + 454244^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426126287793 + ... + 426126287824.

Almost surely, 2^{13636041209872} is an apocalyptic number.

It is an amenable number.

13636041209872 is a deficient number, since it is larger than the sum of its proper divisors (12783788634286).

13636041209872 is an equidigital number, since it uses as much as digits as its factorization.

13636041209872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852252575625 (or 852252575619 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 13636041209872 in words is "thirteen trillion, six hundred thirty-six billion, forty-one million, two hundred nine thousand, eight hundred seventy-two".