1043345053505 has 4 divisors (see below), whose sum is σ = 1252014064212. Its totient is φ = 834676042800.

The previous prime is 1043345053501. The next prime is 1043345053511. The reversal of 1043345053505 is 5053505433401.

1043345053505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 534951811216 + 508393242289 = 731404^2 + 713017^2 .

It is not a de Polignac number, because 1043345053505 - 2² = 1043345053501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043345053501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104334505346 + ... + 104334505355.

It is an arithmetic number, because the mean of its divisors is an integer number (313003516053).

Almost surely, 2^{1043345053505} is an apocalyptic number.

It is an amenable number.

1043345053505 is a deficient number, since it is larger than the sum of its proper divisors (208669010707).

1043345053505 is an equidigital number, since it uses as much as digits as its factorization.

1043345053505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208669010706.

The product of its (nonzero) digits is 270000, while the sum is 38.

The spelling of 1043345053505 in words is "one trillion, forty-three billion, three hundred forty-five million, fifty-three thousand, five hundred five".