171053017370426 has 4 divisors (see below), whose sum is σ = 256579526055642. Its totient is φ = 85526508685212.

The previous prime is 171053017370413. The next prime is 171053017370449. The reversal of 171053017370426 is 624073710350171.

171053017370426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 127751366371225 + 43301650999201 = 11302715^2 + 6580399^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42763254342605 + ... + 42763254342608.

Almost surely, 2^{171053017370426} is an apocalyptic number.

171053017370426 is a deficient number, since it is larger than the sum of its proper divisors (85526508685216).

171053017370426 is an equidigital number, since it uses as much as digits as its factorization.

171053017370426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85526508685215.

The product of its (nonzero) digits is 740880, while the sum is 47.

The spelling of 171053017370426 in words is "one hundred seventy-one trillion, fifty-three billion, seventeen million, three hundred seventy thousand, four hundred twenty-six".