17145550215313 has 32 divisors (see below), whose sum is σ = 19132828549632. Its totient is φ = 15263279539200.

The previous prime is 17145550215289. The next prime is 17145550215323. The reversal of 17145550215313 is 31351205554171.

It is a cyclic number.

It is not a de Polignac number, because 17145550215313 - 2¹⁷ = 17145550084241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 17145550215313.

It is not an unprimeable number, because it can be changed into a prime (17145550215323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26080693 + ... + 26730013.

It is an arithmetic number, because the mean of its divisors is an integer number (597900892176).

Almost surely, 2^{17145550215313} is an apocalyptic number.

17145550215313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17145550215313 is a deficient number, since it is larger than the sum of its proper divisors (1987278334319).

17145550215313 is a wasteful number, since it uses less digits than its factorization.

17145550215313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649945.

The product of its (nonzero) digits is 315000, while the sum is 43.

Adding to 17145550215313 its reverse (31351205554171), we get a palindrome (48496755769484).

The spelling of 17145550215313 in words is "seventeen trillion, one hundred forty-five billion, five hundred fifty million, two hundred fifteen thousand, three hundred thirteen".