171125350801 has 2 divisors, whose sum is σ = 171125350802. Its totient is φ = 171125350800.

The previous prime is 171125350793. The next prime is 171125350811. The reversal of 171125350801 is 108053521171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154574785600 + 16550565201 = 393160^2 + 128649^2 .

It is a cyclic number.

It is not a de Polignac number, because 171125350801 - 2³ = 171125350793 is a prime.

It is a super-2 number, since 2×171125350801² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (171125350811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85562675400 + 85562675401.

It is an arithmetic number, because the mean of its divisors is an integer number (85562675401).

Almost surely, 2^171125350801 is an apocalyptic number.

It is an amenable number.

171125350801 is a deficient number, since it is larger than the sum of its proper divisors (1).

171125350801 is an equidigital number, since it uses as much as digits as its factorization.

171125350801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 34.

Adding to 171125350801 its reverse (108053521171), we get a palindrome (279178871972).

The spelling of 171125350801 in words is "one hundred seventy-one billion, one hundred twenty-five million, three hundred fifty thousand, eight hundred one".