13144355522 has 8 divisors (see below), whose sum is σ = 19717065036. Its totient is φ = 6572000512.

The previous prime is 13144355509. The next prime is 13144355527. The reversal of 13144355522 is 22555344131.

It can be written as a sum of positive squares in 2 ways, for example, as 13103151961 + 41203561 = 114469^2 + 6419^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13144355527) 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 3 ways as a sum of consecutive naturals, for example, 43418 + ... + 167850.

Almost surely, 2^13144355522 is an apocalyptic number.

13144355522 is a deficient number, since it is larger than the sum of its proper divisors (6572709514).

13144355522 is a wasteful number, since it uses less digits than its factorization.

13144355522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177252.

The product of its digits is 72000, while the sum is 35.

Adding to 13144355522 its reverse (22555344131), we get a palindrome (35699699653).

The spelling of 13144355522 in words is "thirteen billion, one hundred forty-four million, three hundred fifty-five thousand, five hundred twenty-two".