13211634275320 has 64 divisors (see below), whose sum is σ = 32075700300000. Its totient is φ = 4868558012928.

The previous prime is 13211634275317. The next prime is 13211634275321. The reversal of 13211634275320 is 2357243611231.

It is a super-2 number, since 2×13211634275320² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211634275321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24693070 + ... + 25222429.

Almost surely, 2^{13211634275320} is an apocalyptic number.

13211634275320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211634275320 is an abundant number, since it is smaller than the sum of its proper divisors (18864066024680).

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

13211634275320 is a wasteful number, since it uses less digits than its factorization.

13211634275320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49916032 (or 49916028 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 13211634275320 its reverse (2357243611231), we get a palindrome (15568877886551).

The spelling of 13211634275320 in words is "thirteen trillion, two hundred eleven billion, six hundred thirty-four million, two hundred seventy-five thousand, three hundred twenty".