17052155545 has 4 divisors (see below), whose sum is σ = 20462586660. Its totient is φ = 13641724432.

The previous prime is 17052155543. The next prime is 17052155567. The reversal of 17052155545 is 54555125071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54555125071 = 149 ⋅366141779.

It can be written as a sum of positive squares in 2 ways, for example, as 10986393856 + 6065761689 = 104816^2 + 77883^2 .

It is a cyclic number.

It is not a de Polignac number, because 17052155545 - 2¹ = 17052155543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17052155498 and 17052155507.

It is not an unprimeable number, because it can be changed into a prime (17052155543) 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, 1705215550 + ... + 1705215559.

It is an arithmetic number, because the mean of its divisors is an integer number (5115646665).

Almost surely, 2^17052155545 is an apocalyptic number.

It is an amenable number.

17052155545 is a deficient number, since it is larger than the sum of its proper divisors (3410431115).

17052155545 is an equidigital number, since it uses as much as digits as its factorization.

17052155545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410431114.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 17052155545 in words is "seventeen billion, fifty-two million, one hundred fifty-five thousand, five hundred forty-five".