172457069097101 has 2 divisors, whose sum is σ = 172457069097102. Its totient is φ = 172457069097100.

The previous prime is 172457069097097. The next prime is 172457069097127. The reversal of 172457069097101 is 101790960754271.

172457069097101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154474423143076 + 17982645954025 = 12428774^2 + 4240595^2 .

It is a cyclic number.

It is not a de Polignac number, because 172457069097101 - 2² = 172457069097097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172457069097301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86228534548550 + 86228534548551.

It is an arithmetic number, because the mean of its divisors is an integer number (86228534548551).

Almost surely, 2^{172457069097101} is an apocalyptic number.

It is an amenable number.

172457069097101 is a deficient number, since it is larger than the sum of its proper divisors (1).

172457069097101 is an equidigital number, since it uses as much as digits as its factorization.

172457069097101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6667920, while the sum is 59.

The spelling of 172457069097101 in words is "one hundred seventy-two trillion, four hundred fifty-seven billion, sixty-nine million, ninety-seven thousand, one hundred one".