13550506216144 has 10 divisors (see below), whose sum is σ = 26254105793810. Its totient is φ = 6775253108064.

The previous prime is 13550506216103. The next prime is 13550506216151. The reversal of 13550506216144 is 44161260505531.

It can be written as a sum of positive squares in only one way, i.e., 12907924417600 + 642581798544 = 3592760^2 + 801612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13550506216144.

It is a congruent number.

It is an unprimeable number.

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, 423453319239 + ... + 423453319270.

It is an arithmetic number, because the mean of its divisors is an integer number (2625410579381).

Almost surely, 2^{13550506216144} is an apocalyptic number.

It is an amenable number.

13550506216144 is a deficient number, since it is larger than the sum of its proper divisors (12703599577666).

13550506216144 is an equidigital number, since it uses as much as digits as its factorization.

13550506216144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846906638517 (or 846906638511 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 13550506216144 in words is "thirteen trillion, five hundred fifty billion, five hundred six million, two hundred sixteen thousand, one hundred forty-four".