17137021137253 has 4 divisors (see below), whose sum is σ = 17210570584428. Its totient is φ = 17063471690080.

The previous prime is 17137021137239. The next prime is 17137021137281. The reversal of 17137021137253 is 35273112073171.

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 8859564156004 + 8277456981249 = 2976502^2 + 2877057^2 .

It is a cyclic number.

It is not a de Polignac number, because 17137021137253 - 2¹³ = 17137021129061 is a prime.

It is a super-2 number, since 2×17137021137253² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17137021137053) 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, 36774723238 + ... + 36774723703.

It is an arithmetic number, because the mean of its divisors is an integer number (4302642646107).

Almost surely, 2^{17137021137253} is an apocalyptic number.

It is an amenable number.

17137021137253 is a deficient number, since it is larger than the sum of its proper divisors (73549447175).

17137021137253 is an equidigital number, since it uses as much as digits as its factorization.

17137021137253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73549447174.

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 17137021137253 in words is "seventeen trillion, one hundred thirty-seven billion, twenty-one million, one hundred thirty-seven thousand, two hundred fifty-three".