13188256522244 has 6 divisors (see below), whose sum is σ = 23079448913934. Its totient is φ = 6594128261120.

The previous prime is 13188256522241. The next prime is 13188256522267. The reversal of 13188256522244 is 44222565288131.

It can be written as a sum of positive squares in only one way, i.e., 8415394864900 + 4772861657344 = 2900930^2 + 2184688^2 .

It is a super-2 number, since 2×13188256522244² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13188256522241) 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 as a sum of consecutive naturals, namely, 1648532065277 + ... + 1648532065284.

It is an arithmetic number, because the mean of its divisors is an integer number (3846574818989).

Almost surely, 2^{13188256522244} is an apocalyptic number.

It is an amenable number.

13188256522244 is a deficient number, since it is larger than the sum of its proper divisors (9891192391690).

13188256522244 is a wasteful number, since it uses less digits than its factorization.

13188256522244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297064130565 (or 3297064130563 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 53.

The spelling of 13188256522244 in words is "thirteen trillion, one hundred eighty-eight billion, two hundred fifty-six million, five hundred twenty-two thousand, two hundred forty-four".