13111641722 has 4 divisors (see below), whose sum is σ = 19667462586. Its totient is φ = 6555820860.

The previous prime is 13111641709. The next prime is 13111641769. The reversal of 13111641722 is 22714611131.

13111641722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10962299401 + 2149342321 = 104701^2 + 46361^2 .

It is a super-2 number, since 2×13111641722² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3277910429 + ... + 3277910432.

Almost surely, 2^13111641722 is an apocalyptic number.

13111641722 is a deficient number, since it is larger than the sum of its proper divisors (6555820864).

13111641722 is an equidigital number, since it uses as much as digits as its factorization.

13111641722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555820863.

The product of its digits is 2016, while the sum is 29.

The spelling of 13111641722 in words is "thirteen billion, one hundred eleven million, six hundred forty-one thousand, seven hundred twenty-two".