171480615601 has 2 divisors, whose sum is σ = 171480615602. Its totient is φ = 171480615600.

The previous prime is 171480615571. The next prime is 171480615619. The reversal of 171480615601 is 106516084171.

It is a happy number.

171480615601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149316552225 + 22164063376 = 386415^2 + 148876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-171480615601 is a prime.

It is not a weakly prime, because it can be changed into another prime (171480615641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85740307800 + 85740307801.

It is an arithmetic number, because the mean of its divisors is an integer number (85740307801).

Almost surely, 2^171480615601 is an apocalyptic number.

It is an amenable number.

171480615601 is a deficient number, since it is larger than the sum of its proper divisors (1).

171480615601 is an equidigital number, since it uses as much as digits as its factorization.

171480615601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 40.

Adding to 171480615601 its reverse (106516084171), we get a palindrome (277996699772).

The spelling of 171480615601 in words is "one hundred seventy-one billion, four hundred eighty million, six hundred fifteen thousand, six hundred one".