17042553551 has 4 divisors (see below), whose sum is σ = 17047162104. Its totient is φ = 17037945000.

The previous prime is 17042553467. The next prime is 17042553553. The reversal of 17042553551 is 15535524071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15535524071 = 6257 ⋅2482903.

It is a cyclic number.

It is not a de Polignac number, because 17042553551 - 2²⁶ = 16975444687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17042553553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2298725 + ... + 2306126.

It is an arithmetic number, because the mean of its divisors is an integer number (4261790526).

Almost surely, 2^17042553551 is an apocalyptic number.

17042553551 is a deficient number, since it is larger than the sum of its proper divisors (4608553).

17042553551 is an equidigital number, since it uses as much as digits as its factorization.

17042553551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608552.

The product of its (nonzero) digits is 105000, while the sum is 38.

The spelling of 17042553551 in words is "seventeen billion, forty-two million, five hundred fifty-three thousand, five hundred fifty-one".