1355315544305 has 4 divisors (see below), whose sum is σ = 1626378653172. Its totient is φ = 1084252435440.

The previous prime is 1355315544293. The next prime is 1355315544307. The reversal of 1355315544305 is 5034455135531.

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 298780305664 + 1056535238641 = 546608^2 + 1027879^2 .

It is not a de Polignac number, because 1355315544305 - 2¹⁴ = 1355315527921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1355315544307) 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, 135531554426 + ... + 135531554435.

It is an arithmetic number, because the mean of its divisors is an integer number (406594663293).

Almost surely, 2^{1355315544305} is an apocalyptic number.

It is an amenable number.

1355315544305 is a deficient number, since it is larger than the sum of its proper divisors (271063108867).

1355315544305 is an equidigital number, since it uses as much as digits as its factorization.

1355315544305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271063108866.

The product of its (nonzero) digits is 1350000, while the sum is 44.

The spelling of 1355315544305 in words is "one trillion, three hundred fifty-five billion, three hundred fifteen million, five hundred forty-four thousand, three hundred five".