172615626516271 has 2 divisors, whose sum is σ = 172615626516272. Its totient is φ = 172615626516270.

The previous prime is 172615626516161. The next prime is 172615626516337.

172615626516271 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 172615626516271 - 2¹¹ = 172615626514223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172615626576271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86307813258135 + 86307813258136.

It is an arithmetic number, because the mean of its divisors is an integer number (86307813258136).

Almost surely, 2^{172615626516271} is an apocalyptic number.

172615626516271 is a deficient number, since it is larger than the sum of its proper divisors (1).

172615626516271 is an equidigital number, since it uses as much as digits as its factorization.

172615626516271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12700800, while the sum is 58.

The spelling of 172615626516271 in words is "one hundred seventy-two trillion, six hundred fifteen billion, six hundred twenty-six million, five hundred sixteen thousand, two hundred seventy-one".