17011244136245 has 8 divisors (see below), whose sum is σ = 20415117153240. Its totient is φ = 13607912515840.

The previous prime is 17011244136191. The next prime is 17011244136251. The reversal of 17011244136245 is 54263144211071.

It can be written as a sum of positive squares in 4 ways, for example, as 7005264388516 + 10005979747729 = 2646746^2 + 3163223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 17011244136245 - 2⁶ = 17011244136181 is a prime.

It is a super-2 number, since 2×17011244136245² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135280016 + ... + 135405705.

It is an arithmetic number, because the mean of its divisors is an integer number (2551889644155).

Almost surely, 2^{17011244136245} is an apocalyptic number.

It is an amenable number.

17011244136245 is a deficient number, since it is larger than the sum of its proper divisors (3403873016995).

17011244136245 is a wasteful number, since it uses less digits than its factorization.

17011244136245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270698295.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 17011244136245 in words is "seventeen trillion, eleven billion, two hundred forty-four million, one hundred thirty-six thousand, two hundred forty-five".