13211641661351 has 8 divisors (see below), whose sum is σ = 15126928508064. Its totient is φ = 11303332181280.

The previous prime is 13211641661347. The next prime is 13211641661353. The reversal of 13211641661351 is 15316614611231.

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 13211641661351 - 2² = 13211641661347 is a prime.

It is a super-2 number, since 2×13211641661351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13211641661299 and 13211641661308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211641661353) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1744337600 + ... + 1744345173.

It is an arithmetic number, because the mean of its divisors is an integer number (1890866063508).

Almost surely, 2^{13211641661351} is an apocalyptic number.

13211641661351 is a deficient number, since it is larger than the sum of its proper divisors (1915286846713).

13211641661351 is an equidigital number, since it uses as much as digits as its factorization.

13211641661351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3488683321.

The product of its digits is 77760, while the sum is 41.

The spelling of 13211641661351 in words is "thirteen trillion, two hundred eleven billion, six hundred forty-one million, six hundred sixty-one thousand, three hundred fifty-one".