13211141056 has 28 divisors (see below), whose sum is σ = 26460879768. Its totient is φ = 6543832832.

The previous prime is 13211141017. The next prime is 13211141057. The reversal of 13211141056 is 65014111231.

It is a self number, because there is not a number n which added to its sum of digits gives 13211141056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13211141057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957751 + ... + 971446.

Almost surely, 2^13211141056 is an apocalyptic number.

13211141056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13211141056 is an abundant number, since it is smaller than the sum of its proper divisors (13249738712).

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

13211141056 is a wasteful number, since it uses less digits than its factorization.

13211141056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929316 (or 1929306 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 13211141056 its reverse (65014111231), we get a palindrome (78225252287).

The spelling of 13211141056 in words is "thirteen billion, two hundred eleven million, one hundred forty-one thousand, fifty-six".