171003553745 has 8 divisors (see below), whose sum is σ = 205207464960. Its totient is φ = 136800709360.

The previous prime is 171003553729. The next prime is 171003553751. The reversal of 171003553745 is 547355300171.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 171003553745 - 2⁴ = 171003553729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143216 + ... + 602094.

It is an arithmetic number, because the mean of its divisors is an integer number (25650933120).

Almost surely, 2^171003553745 is an apocalyptic number.

It is an amenable number.

171003553745 is a deficient number, since it is larger than the sum of its proper divisors (34203911215).

171003553745 is an equidigital number, since it uses as much as digits as its factorization.

171003553745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533415.

The product of its (nonzero) digits is 220500, while the sum is 41.

The spelling of 171003553745 in words is "one hundred seventy-one billion, three million, five hundred fifty-three thousand, seven hundred forty-five".