172457069097601 has 2 divisors, whose sum is σ = 172457069097602. Its totient is φ = 172457069097600.

The previous prime is 172457069097583. The next prime is 172457069097647. The reversal of 172457069097601 is 106790960754271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135862312688001 + 36594756409600 = 11655999^2 + 6049360^2 .

It is a cyclic number.

It is not a de Polignac number, because 172457069097601 - 2¹⁷ = 172457068966529 is a prime.

It is not a weakly prime, because it can be changed into another prime (172457069097101) 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 as a sum of consecutive naturals, namely, 86228534548800 + 86228534548801.

It is an arithmetic number, because the mean of its divisors is an integer number (86228534548801).

Almost surely, 2^{172457069097601} is an apocalyptic number.

It is an amenable number.

172457069097601 is a deficient number, since it is larger than the sum of its proper divisors (1).

172457069097601 is an equidigital number, since it uses as much as digits as its factorization.

172457069097601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 64.

The spelling of 172457069097601 in words is "one hundred seventy-two trillion, four hundred fifty-seven billion, sixty-nine million, ninety-seven thousand, six hundred one".