17135145366455 has 4 divisors (see below), whose sum is σ = 20562174439752. Its totient is φ = 13708116293160.

The previous prime is 17135145366419. The next prime is 17135145366473. The reversal of 17135145366455 is 55466354153171.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 17135145366455 - 2²⁴ = 17135128589239 is a prime.

It is a super-2 number, since 2×17135145366455² (a number of 27 digits) contains 22 as substring.

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 17135145366455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713514536641 + ... + 1713514536650.

It is an arithmetic number, because the mean of its divisors is an integer number (5140543609938).

Almost surely, 2^{17135145366455} is an apocalyptic number.

17135145366455 is a deficient number, since it is larger than the sum of its proper divisors (3427029073297).

17135145366455 is an equidigital number, since it uses as much as digits as its factorization.

17135145366455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427029073296.

The product of its digits is 22680000, while the sum is 56.

The spelling of 17135145366455 in words is "seventeen trillion, one hundred thirty-five billion, one hundred forty-five million, three hundred sixty-six thousand, four hundred fifty-five".