13826217055 has 12 divisors (see below), whose sum is σ = 19300270680. Its totient is φ = 9480834384.

The previous prime is 13826217043. The next prime is 13826217059. The reversal of 13826217055 is 55071262831.

It is not a de Polignac number, because 13826217055 - 2¹⁹ = 13825692767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13826216999 and 13826217017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826217059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28216525 + ... + 28217014.

It is an arithmetic number, because the mean of its divisors is an integer number (1608355890).

Almost surely, 2^13826217055 is an apocalyptic number.

13826217055 is a deficient number, since it is larger than the sum of its proper divisors (5474053625).

13826217055 is an equidigital number, since it uses as much as digits as its factorization.

13826217055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56433558 (or 56433551 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 13826217055 its reverse (55071262831), we get a palindrome (68897479886).

The spelling of 13826217055 in words is "thirteen billion, eight hundred twenty-six million, two hundred seventeen thousand, fifty-five".