13445550531041 has 4 divisors (see below), whose sum is σ = 13445689280532. Its totient is φ = 13445411781552.

The previous prime is 13445550531037. The next prime is 13445550531047. The reversal of 13445550531041 is 14013505554431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 966259510225 + 12479291020816 = 982985^2 + 3532604^2 .

It is a cyclic number.

It is not a de Polignac number, because 13445550531041 - 2² = 13445550531037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13445550531041.

It is not an unprimeable number, because it can be changed into a prime (13445550531047) 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, 69229286 + ... + 69423231.

It is an arithmetic number, because the mean of its divisors is an integer number (3361422320133).

Almost surely, 2^{13445550531041} is an apocalyptic number.

It is an amenable number.

13445550531041 is a deficient number, since it is larger than the sum of its proper divisors (138749491).

13445550531041 is an equidigital number, since it uses as much as digits as its factorization.

13445550531041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138749490.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 13445550531041 in words is "thirteen trillion, four hundred forty-five billion, five hundred fifty million, five hundred thirty-one thousand, forty-one".