13656543211052 has 48 divisors (see below), whose sum is σ = 27949327042560. Its totient is φ = 5716477210752.

The previous prime is 13656543211001. The next prime is 13656543211079. The reversal of 13656543211052 is 25011234565631.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13656543210994 and 13656543211012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34050824 + ... + 34449552.

It is an arithmetic number, because the mean of its divisors is an integer number (582277646720).

Almost surely, 2^{13656543211052} is an apocalyptic number.

It is an amenable number.

13656543211052 is an abundant number, since it is smaller than the sum of its proper divisors (14292783831508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13656543211052 is a wasteful number, since it uses less digits than its factorization.

13656543211052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427230 (or 427228 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

Adding to 13656543211052 its reverse (25011234565631), we get a palindrome (38667777776683).

The spelling of 13656543211052 in words is "thirteen trillion, six hundred fifty-six billion, five hundred forty-three million, two hundred eleven thousand, fifty-two".