17155471253 has 4 divisors (see below), whose sum is σ = 17161858560. Its totient is φ = 17149083948.

The previous prime is 17155471243. The next prime is 17155471271. The reversal of 17155471253 is 35217455171.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 17155471253 - 2⁴ = 17155471237 is a prime.

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 17155471253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17155471243) 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, 3189623 + ... + 3194996.

It is an arithmetic number, because the mean of its divisors is an integer number (4290464640).

Almost surely, 2^17155471253 is an apocalyptic number.

It is an amenable number.

17155471253 is a deficient number, since it is larger than the sum of its proper divisors (6387307).

17155471253 is an equidigital number, since it uses as much as digits as its factorization.

17155471253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387306.

The product of its digits is 147000, while the sum is 41.

The spelling of 17155471253 in words is "seventeen billion, one hundred fifty-five million, four hundred seventy-one thousand, two hundred fifty-three".